ReferenceID PublicationType Full Reference PrimaryTitle SecondaryTitle Pages PageStart PageEnd Volume Edition Publisher AuthorList EditorList DateCreated Language URL DOI LocalityOfPublisher Acanthis_flammea_BNA Online Encyclopedia Knox, Alan G. and Peter E. Lowther. 2000. Common Redpoll (Acanthis flammea), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/543 Accipiter_cooperii_BNA Online Encyclopedia Curtis, Odette E., R. N. Rosenfield and J. Bielefeldt. 2006. Cooper's Hawk (Accipiter cooperii), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/075 Accipiter_gentilis_BNA Online Encyclopedia Squires, John R. and Richard T. Reynolds. 1997. Northern Goshawk (Accipiter gentilis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/298 Accipiter_striatus_BNA Online Encyclopedia Bildstein, Keith L. and Ken Meyer. 2000. Sharp-shinned Hawk (Accipiter striatus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/482 Actitis_macularius_BNA Online Encyclopedia Oring, Lewis W., Elizabeth M. Gray and J. Michael Reed. 1997. Spotted Sandpiper (Actitis macularius), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/289 Aegolius_acadicus_BNA Online Encyclopedia Rasmussen, Justin Lee, Spencer G. Sealy and Richard J. Cannings. 2008. Northern Saw-whet Owl (Aegolius acadicus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/042 Agelaius_phoeniceus_BNA Online Encyclopedia Yasukawa, Ken and William A. Searcy. 1995. Red-winged Blackbird (Agelaius phoeniceus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/184 Aix_sponsa_BNA Online Encyclopedia Hepp, Gary R. and Frank C. Bellrose. 1995. Wood Duck (Aix sponsa), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/169 Ammodramus_caudacutus_BNA Online Encyclopedia Greenlaw, Jon S. and James D. Rising. 1994. Saltmarsh Sparrow (Ammodramus caudacutus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/112 Ammodramus_henslowii_BNA Online Encyclopedia Herkert, James R., Peter D. Vickery and Donald E. Kroodsma. 2002. Henslow's Sparrow (Ammodramus henslowii), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/672 Ammodramus_savannarum_BNA Online Encyclopedia Vickery, Peter D. 1996. Grasshopper Sparrow (Ammodramus savannarum), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/239 Anas_acuta_BNA Online Encyclopedia Austin, Jane E. and Michael R. Miller. 1995. Northern Pintail (Anas acuta), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/163 Anas_americana_BNA Online Encyclopedia Mowbray, Thomas. 1999. American Wigeon (Anas americana), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/401 Anas_clypeata_BNA Online Encyclopedia Dubowy, Paul J. 1996. Northern Shoveler (Anas clypeata), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/217 Anas_crecca_BNA Online Encyclopedia Johnson, Kevin. 1995. Green-winged Teal (Anas crecca), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/193 Anas_discors_BNA Online Encyclopedia Rohwer, Frank C., William P. Johnson and Elizabeth R. Loos. 2002. Blue-winged Teal (Anas discors), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/625 Anas_platyrhynchos_BNA Online Encyclopedia Drilling, Nancy, Rodger Titman and Frank Mckinney. 2002. Mallard (Anas platyrhynchos), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/658 Anas_rubripes_BNA Online Encyclopedia Longcore, Jerry R., Daniel G. Mcauley, Gary R. Hepp and Judith M. Rhymer. 2000. American Black Duck (Anas rubripes), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/481 Anas_strepera_BNA Online Encyclopedia Leschack, C. R., S. K. Mckinght and G. R. Hepp. 1997. Gadwall (Anas strepera), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/283 Anthus_rubescens_BNA Online Encyclopedia Verbeek, N. A. and P. Hendricks. 1994. American Pipit (Anthus rubescens), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/095 Aquila_chrysaetos_BNA Online Encyclopedia Kochert, M. N., K. Steenhof, C. L. Mcintyre and E. H. Craig. 2002. Golden Eagle (Aquila chrysaetos), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/684 Archilochus_colubris_BNA Online Encyclopedia Robinson, T. R., R. R. Sargent and M. B. Sargent. 1996. Ruby-throated Hummingbird (Archilochus colubris), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/204 Ardea_alba_BNA Online Encyclopedia Mccrimmon, Jr., Donald A., John C. Ogden and G. Thomas Bancroft. 2011. Great Egret (Ardea alba), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/570 Ardea_herodias_BNA Online Encyclopedia Vennesland, Ross G. and Robert W. Butler. 2011. Great Blue Heron (Ardea herodias), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/025 Arenaria_interpres_BNA Online Encyclopedia Nettleship, David N. 2000. Ruddy Turnstone (Arenaria interpres), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/537 Asio_flammeus_BNA Online Encyclopedia Wiggins, D. A., D. W. Holt and S. M. Leasure. 2006. Short-eared Owl (Asio flammeus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/062 Asio_otus_BNA Online Encyclopedia Marks, J. S., D. L. Evans and D. W. Holt. 1994. Long-eared Owl (Asio otus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/133 Aythya_affinis_BNA Online Encyclopedia Austin, Jane E., Christine M. Custer and Alan D. Afton. 1998. Lesser Scaup (Aythya affinis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/338 Aythya_americana_BNA Online Encyclopedia Woodin, Marc C. and Thomas C. Michot. 2002. Redhead (Aythya americana), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/695 Aythya_collaris_BNA Online Encyclopedia Hohman, William L. and Robert T. Eberhardt. 1998. Ring-necked Duck (Aythya collaris), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/329 Aythya_marila_BNA Online Encyclopedia Kessel, Brina, Deborah A. Rocque and John S. Barclay. 2002. Greater Scaup (Aythya marila), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/650 Aythya_valisineria_BNA Online Encyclopedia Mowbray, Thomas B. 2002. Canvasback (Aythya valisineria), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/659 Baeolophus_bicolor_BNA Online Encyclopedia Grubb, Jr, T. C. and V. V. Pravasudov. 1994. Tufted Titmouse (Baeolophus bicolor), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/086 Bartramia_longicauda_BNA Online Encyclopedia Houston, C. Stuart, Cameron R. Jackson and Daniel E. Bowen, Jr. 2011. Upland Sandpiper (Bartramia longicauda), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/580 Bombycilla_cedrorum_BNA Online Encyclopedia Witmer, M. C., D. J. Mountjoy and L. Elliot. 1997. Cedar Waxwing (Bombycilla cedrorum), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/309 Bonasa_umbellus_BNA Online Encyclopedia Rusch, Donald H., Stephen Destefano, Michael C. Reynolds and David Lauten. 2000. Ruffed Grouse (Bonasa umbellus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/515 Botaurus_lentiginosus_BNA Online Encyclopedia Lowther, Peter, Alan F. Poole, J. P. Gibbs, S. Melvin and F. A. Reid. 2009. American Bittern (Botaurus lentiginosus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/018 Branta_bernicla_BNA Online Encyclopedia Reed, A., D. H. Ward, D. V. Derksen and J. S. Sedinger. 1998. Brant (Branta bernicla), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/337 Branta_canadensis_BNA Online Encyclopedia Mowbray, Thomas B., Craig R. Ely, James S. Sedinger and Robert E. Trost. 2002. Canada Goose (Branta canadensis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/682 Bubo_virginianus_BNA Online Encyclopedia Houston, C. Stuart, Dwight G. Smith and Christoph Rohner. 1998. Great Horned Owl (Bubo virginianus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/372 Bucephala_albeola_BNA Online Encyclopedia Gauthier, Gilles. 1993. Bufflehead (Bucephala albeola), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/067 Bucephala_clangula_BNA Online Encyclopedia Eadie, J. M., M. L. Mallory and H. G. Lumsden. 1995. Common Goldeneye (Bucephala clangula), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/170 Buteo_jamaicensis_BNA Online Encyclopedia Preston, C. R. and R. D. Beane. 2009. Red-tailed Hawk (Buteo jamaicensis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/052 Buteo_lagopus_BNA Online Encyclopedia Bechard, Marc J. and Theodor R. Swem. 2002. Rough-legged Hawk (Buteo lagopus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/641 Buteo_lineatus_BNA Online Encyclopedia Dykstra, Cheryl R., Jeffrey L. Hays and Scott T. Crocoll. 2008. Red-shouldered Hawk (Buteo lineatus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/107 Buteo_platypterus_BNA Online Encyclopedia Goodrich, L. J., S. C. Crocoll and S. E. Senner. 1996. Broad-winged Hawk (Buteo platypterus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/218 Butorides_virescens_BNA Online Encyclopedia Davis, Jr., W. E. and J. A. Kushlan. 1994. Green Heron (Butorides virescens), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/129 Calcarius_lapponicus_BNA Online Encyclopedia Hussell, David J. and Robert Montgomerie. 2002. Lapland Longspur (Calcarius lapponicus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/656 Calidris_alba_BNA Online Encyclopedia Macwhirter, Bruce, Peter Austin-Smith, Jr. and Donald Kroodsma. 2002. Sanderling (Calidris alba), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/653 Calidris_alpina_BNA Online Encyclopedia Warnock, Nils D. and Robert E. Gill. 1996. Dunlin (Calidris alpina), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/203 Calidris_bairdii_BNA Online Encyclopedia Moskoff, William and Robert Montgomerie. 2002. Baird's Sandpiper (Calidris bairdii), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/661 Calidris_fuscicollis_BNA Online Encyclopedia Parmelee, David F. 1992. White-rumped Sandpiper (Calidris fuscicollis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/029 Calidris_himantopus_BNA Online Encyclopedia Klima, Joanna and Joseph R. Jehl, Jr. 1998. Stilt Sandpiper (Calidris himantopus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/341 Calidris_melanotos_BNA Online Encyclopedia Holmes, Richard T. and Frank A. Pitelka. 1998. Pectoral Sandpiper (Calidris melanotos), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/348 Calidris_minutilla_BNA Online Encyclopedia Nebel, Silke and John M. Cooper. 2008. Least Sandpiper (Calidris minutilla), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/115 Calidris_pusilla_BNA Online Encyclopedia Hicklin, Peter and Cheri L. Gratto-Trevor. 2010. Semipalmated Sandpiper (Calidris pusilla), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/006 Caprimulgus_carolinensis_BNA Online Encyclopedia Straight, Carrie A. and Robert J. Cooper. 2000. Chuck-will's-widow (Caprimulgus carolinensis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/499 Caprimulgus_vociferus_BNA Online Encyclopedia Cink, Calvin L. 2002. Eastern Whip-poor-will (Caprimulgus vociferus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/620 Cardellina_canadensis_BNA Online Encyclopedia Reitsma, Len, Marissa Goodnow, Michael T. Hallworth and Courtney J. Conway. 2010. Canada Warbler (Cardellina canadensis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/421 Cardellina_pusilla_BNA Online Encyclopedia Ammon, Elisabeth M. and William M. Gilbert. 1999. Wilson's Warbler (Cardellina pusilla), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/478 Haemorhous_purpureus_BNA Online Encyclopedia Wootton, J. Timothy. 1996. Purple Finch (Carpodacus purpureus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/208 Cathartes_aura_BNA Online Encyclopedia Kirk, David A. and Michael J. Mossman. 1998. Turkey Vulture (Cathartes aura), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/339 Catharus_fuscescens_BNA Online Encyclopedia Bevier, Louis R., Alan F. Poole and William Moskoff. 2005. Veery (Catharus fuscescens), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/142 Catharus_guttatus_BNA Online Encyclopedia Dellinger, Rachel, Petra Bohall Wood, Peter W. Jones and Therese M. Donovan. 2012. Hermit Thrush (Catharus guttatus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/261 Catharus_minimus_BNA Online Encyclopedia Lowther, Peter E., Christopher C. Rimmer, Brina Kessel, Steven L. Johnson and Walter G. Ellison. 2001. Gray-cheeked Thrush (Catharus minimus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/591 Catharus_ustulatus_BNA Online Encyclopedia Mack, Diane Evans and Wang Yong. 2000. Swainson's Thrush (Catharus ustulatus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/540 Certhia_americana_BNA Online Encyclopedia Hejl, S. J., K. R. Newlon, M. E. Mcfadzen, J. S. Young and C. K. Ghalambor. 2002. Brown Creeper (Certhia americana), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/669 Charadrius_semipalmatus_BNA Online Encyclopedia Nol, Erica and Michele S. Blanken. 1999. Semipalmated Plover (Charadrius semipalmatus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/444 Charadrius_vociferus_BNA Online Encyclopedia Jackson, Bette J. and Jerome A. Jackson. 2000. Killdeer (Charadrius vociferus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/517 Chen_caerulescens_BNA Online Encyclopedia Mowbray, Thomas B., Fred Cooke and Barbara Ganter. 2000. Snow Goose (Chen caerulescens), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/514 Chlidonias_niger_BNA Online Encyclopedia Heath, Shane R., Erica H. Dunn and David J. Agro. 2009. Black Tern (Chlidonias niger), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/147 Chondestes_grammacus_BNA Online Encyclopedia Martin, John W. and Jimmie R. Parrish. 2000. Lark Sparrow (Chondestes grammacus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/488 Chroicocephalus_philadelphia_BNA Online Encyclopedia Burger, Joanna and Michael Gochfeld. 2002. Bonaparte's Gull (Chroicocephalus philadelphia), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/634 Circus_cyaneus_BNA Online Encyclopedia Smith, Kimberly G., Sara Ress Wittenberg, R. Bruce Macwhirter and Keith L. Bildstein. 2011. Northern Harrier (Circus cyaneus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/210 Cistothorus_palustris_BNA Online Encyclopedia Kroodsma, Donald E. and Jared Verner. 1997. Marsh Wren (Cistothorus palustris), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/308 Cistothorus_platensis_BNA Online Encyclopedia Herkert, James R., Donald E. Kroodsma and James P. Gibbs. 2001. Sedge Wren (Cistothorus platensis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/582 Clangula_hyemalis_BNA Online Encyclopedia Robertson, Gregory J. and Jean-Pierre L. Savard. 2002. Long-tailed Duck (Clangula hyemalis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/651 Coccothraustes_vespertinus_BNA Online Encyclopedia Gillihan, Scott W. and Bruce Byers. 2001. Evening Grosbeak (Coccothraustes vespertinus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/599 Coccyzus_americanus_BNA Online Encyclopedia Hughes, Janice M. 1999. Yellow-billed Cuckoo (Coccyzus americanus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/418 Coccyzus_erythropthalmus_BNA Online Encyclopedia Hughes, Janice M. 2001. Black-billed Cuckoo (Coccyzus erythropthalmus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/587 Colinus_virginianus_BNA Online Encyclopedia Brennan, Leonard A. 1999. Northern Bobwhite (Colinus virginianus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/397 Contopus_cooperi_BNA Online Encyclopedia Altman, Bob and Rex Sallabanks. 2000. Olive-sided Flycatcher (Contopus cooperi), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/502 Contopus_virens_BNA Online Encyclopedia McCarty, John P. 1996. Eastern Wood-Pewee (Contopus virens), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/245 Conuropsis_carolinensis_BNA Online Encyclopedia Snyder, Noel F. and Keith Russell. 2002. Carolina Parakeet (Conuropsis carolinensis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/667 Coragyps_atratus_BNA Online Encyclopedia Buckley, Neil J. 1999. Black Vulture (Coragyps atratus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/411 Corvus_brachyrhynchos_BNA Online Encyclopedia Verbeek, N. A. and C. Caffrey. 2002. American Crow (Corvus brachyrhynchos), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/647 Coturnicops_noveboracensis_BNA Online Encyclopedia Bookhout, Theodore A. 1995. Yellow Rail (Coturnicops noveboracensis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/139 Cygnus_columbianus_BNA Online Encyclopedia Limpert, R. J. and S. L. Earnst. 1994. Tundra Swan (Cygnus columbianus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/089 Dolichonyx_oryzivorus_BNA Online Encyclopedia Martin, Stephen G. and Thomas A. Gavin. 1995. Bobolink (Dolichonyx oryzivorus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/176 Ectopistes_migratorius_BNA Online Encyclopedia Blockstein, David E. 2002. Passenger Pigeon (Ectopistes migratorius), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/611 Egretta_caerulea_BNA Online Encyclopedia Rodgers, Jr., James A. and Henry T. Smith. 1995. Little Blue Heron (Egretta caerulea), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/145 Egretta_thula_BNA Online Encyclopedia Parsons, Katharine C. and Terry L. Master. 2000. Snowy Egret (Egretta thula), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/489 Egretta_tricolor_BNA Online Encyclopedia Frederick, Peter C. 1997. Tricolored Heron (Egretta tricolor), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/306 Empidonax_alnorum_BNA Online Encyclopedia Lowther, Peter E. 1999. Alder Flycatcher (Empidonax alnorum), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/446 Empidonax_flaviventris_BNA Online Encyclopedia Gross, Douglas A. and Peter E. Lowther. 2011. Yellow-bellied Flycatcher (Empidonax flaviventris), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/566 Empidonax_minimus_BNA Online Encyclopedia Tarof, Scott and James V. Briskie. 2008. Least Flycatcher (Empidonax minimus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/099 Empidonax_virescens_BNA Online Encyclopedia Whitehead, Donald R. and Terry Taylor. 2002. Acadian Flycatcher (Empidonax virescens), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/614 Eremophila_alpestris_BNA Online Encyclopedia Beason, Robert C. 1995. Horned Lark (Eremophila alpestris), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/195 Euphagus_carolinus_BNA Online Encyclopedia Avery, Michael L. 1995. Rusty Blackbird (Euphagus carolinus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/200 Falco_columbarius_BNA Online Encyclopedia Warkentin, I. G., N. S. Sodhi, R. H. M. Espie, Alan F. Poole, L. W. Oliphant and P. C. James. 2005. Merlin (Falco columbarius), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/044 Falco_peregrinus_BNA Online Encyclopedia White, Clayton M., Nancy J. Clum, Tom J. Cade and W. Grainger Hunt. 2002. Peregrine Falcon (Falco peregrinus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/660 Falco_sparverius_BNA Online Encyclopedia Smallwood, John A. and David M. Bird. 2002. American Kestrel (Falco sparverius), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/602 Fulica_americana_BNA Online Encyclopedia Brisbin, Jr., I. Lehr and Thomas B. Mowbray. 2002. American Coot (Fulica americana), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/697a Gallinago_delicata_BNA Online Encyclopedia Mueller, Helmut. 1999. Wilson's Snipe (Gallinago delicata), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/417 Gallinula_galeata_BNA Online Encyclopedia Bannor, Brett K. and Erik Kiviat. 2002. Common Gallinule (Gallinula galeata), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/685 Gavia_immer_BNA Online Encyclopedia Evers, David C., James D. Paruk, Judith W. Mcintyre and Jack F. Barr. 2010. Common Loon (Gavia immer), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/313 Gavia_stellata_BNA Online Encyclopedia Barr, Jack F., Christine Eberl and Judith W. Mcintyre. 2000. Red-throated Loon (Gavia stellata), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/513 Gelochelidon_nilotica_BNA Online Encyclopedia Molina, K. C., J. F. Parnell and R. M. Erwin. 2009. Gull-billed Tern (Gelochelidon nilotica), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/140 Geothlypis_formosa_BNA Online Encyclopedia Mcdonald, Mary Victoria. 1998. Kentucky Warbler (Geothlypis formosus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/324 Geothlypis_philadelphia_BNA Online Encyclopedia Pitocchelli, Jay. 2011. Mourning Warbler (Geothlypis philadelphia), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/072 Helmitheros_vermivorum_BNA Online Encyclopedia Hanners, Lise A. and Stephen R. Patton. 1998. Worm-eating Warbler (Helmitheros vermivorum), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/367 Hydroprogne_caspia_BNA Online Encyclopedia Cuthbert, Francesca J. and Linda R. Wires. 1999. Caspian Tern (Hydroprogne caspia), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/403 Hylocichla_mustelina_BNA Online Encyclopedia Evans, Melissa, Elizabeth Gow, R. R. Roth, M. S. Johnson and T. J. Underwood. 2011. Wood Thrush (Hylocichla mustelina), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/246 Icteria_virens_BNA Online Encyclopedia Eckerle, Kevin P. and Charles F. Thompson. 2001. Yellow-breasted Chat (Icteria virens), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/575 Icterus_spurius_BNA Online Encyclopedia Scharf, William C. and Josef Kren. 2010. Orchard Oriole (Icterus spurius), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/255 Junco_hyemalis_BNA Online Encyclopedia Nolan, Jr., V., E. D. Ketterson, D. A. Cristol, C. M. Rogers, E. D. Clotfelter, R. C. Titus, S. J. Schoech and E. Snajdr. 2002. Dark-eyed Junco (Junco hyemalis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/716 Lanius_excubitor_BNA Online Encyclopedia Cade, Tom J. and Eric C. Atkinson. 2002. Northern Shrike (Lanius excubitor), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/671 Lanius_ludovicianus_BNA Online Encyclopedia Yosef, Reuven. 1996. Loggerhead Shrike (Lanius ludovicianus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/231 Larus_argentatus_BNA Online Encyclopedia Pierotti, R. J. and T. P. Good. 1994. Herring Gull (Larus argentatus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/124 Larus_delawarensis_BNA Online Encyclopedia Pollet, Ingrid L., David Shutler, John Chardine and John P. Ryder. 2012. Ring-billed Gull (Larus delawarensis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/033 Leucophaeus_atricilla_BNA Online Encyclopedia Burger, Joanna. 1996. Laughing Gull (Leucophaeus atricilla), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/225 Limnodromus_griseus_BNA Online Encyclopedia Jehl, Jr., Joseph R., Joanna Klima and Ross E. Harris. 2001. Short-billed Dowitcher (Limnodromus griseus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/564 Lophodytes_cucullatus_BNA Online Encyclopedia Dugger, B. D., K. M. Dugger and L. H. Fredrickson. 2009. Hooded Merganser (Lophodytes cucullatus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/098 Loxia_curvirostra_BNA Online Encyclopedia Adkisson, Curtis S. 1996. Red Crossbill (Loxia curvirostra), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/256 Loxia_leucoptera_BNA Online Encyclopedia Benkman, Craig W. 2012. White-winged Crossbill (Loxia leucoptera), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/027 Megascops_asio_BNA Online Encyclopedia Gehlbach, Frederick R. 1995. Eastern Screech-Owl (Megascops asio), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/165 Melanerpes_carolinus_BNA Online Encyclopedia Shackelford, Clifford E., Raymond E. Brown and Richard N. Conner. 2000. Red-bellied Woodpecker (Melanerpes carolinus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/500 Melanerpes_erythrocephalus_BNA Online Encyclopedia Smith, Kimberly G., James H. Withgott and Paul G. Rodewald. 2000. Red-headed Woodpecker (Melanerpes erythrocephalus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/518 Melanitta_fusca_BNA Online Encyclopedia Brown, Patrick W. and Leigh H. Fredrickson. 1997. White-winged Scoter (Melanitta fusca), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/274 Melanitta_perspicillata_BNA Online Encyclopedia Savard, Jean-Pierre L., Daniel Bordage and Austin Reed. 1998. Surf Scoter (Melanitta perspicillata), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/363 Meleagris_gallopavo_BNA Online Encyclopedia Eaton, Stephen W. 1992. Wild Turkey (Meleagris gallopavo), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/022 Melospiza_georgiana_BNA Online Encyclopedia Mowbray, Thomas B. 1997. Swamp Sparrow (Melospiza georgiana), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/279 Melospiza_lincolnii_BNA Online Encyclopedia Ammon, Elisabeth M. 1995. Lincoln's Sparrow (Melospiza lincolnii), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/191 Mergus_merganser_BNA Online Encyclopedia Mallory, Mark and Karen Metz. 1999. Common Merganser (Mergus merganser), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/442 Mniotilta_varia_BNA Online Encyclopedia Kricher, John C. 1995. Black-and-white Warbler (Mniotilta varia), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/158 Mycteria_americana_BNA Online Encyclopedia Coulter, M. C., J. A. Rodgers, J. C. Ogden and F. C. Depkin. 1999. Wood Stork (Mycteria americana), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/409 Myiarchus_crinitus_BNA Online Encyclopedia Lanyon, Wesley E. 1997. Great Crested Flycatcher (Myiarchus crinitus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/300 Nyctanassa_violacea_BNA Online Encyclopedia Watts, Bryan D. 2011. Yellow-crowned Night-Heron (Nyctanassa violacea), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/161 Nycticorax_nycticorax_BNA Online Encyclopedia Hothem, Roger L., Brianne E. Brussee and William E. Davis, Jr. 2010. Black-crowned Night-Heron (Nycticorax nycticorax), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/074 Oporornis_agilis_BNA Online Encyclopedia Pitocchelli, Jay, Julie Jones, David Jones and Julie Bouchie. 2012. Connecticut Warbler (Oporornis agilis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/320 Oreothlypis_celata_BNA Online Encyclopedia Gilbert, W. M., M. K. Sogge and C. Van Riper III. 2010. Orange-crowned Warbler (Oreothlypis celata), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/101 Oreothlypis_peregrina_BNA Online Encyclopedia Rimmer, Christopher C. and Kent P. Mcfarland. 1998. Tennessee Warbler (Oreothlypis peregrina), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/350 Oreothlypis_ruficapilla_BNA Online Encyclopedia Lowther, Peter E. and Janet McI. Williams. 2011. Nashville Warbler (Oreothlypis ruficapilla), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/205 Oxyura_jamaicensis_BNA Online Encyclopedia Brua, Robert B. 2002. Ruddy Duck (Oxyura jamaicensis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/696 Parkesia_motacilla_BNA Online Encyclopedia Mattsson, Brady J., Terry L. Master, Robert S. Mulvihill and W. Douglas Robinson. 2009. Louisiana Waterthrush (Parkesia motacilla), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/151 Parkesia_noveboracensis_BNA Online Encyclopedia Eaton, Stephen W. 1995. Northern Waterthrush (Parkesia noveboracensis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/182 Passer_domesticus_BNA Online Encyclopedia Lowther, Peter E. and Calvin L. Cink. 2006. House Sparrow (Passer domesticus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/012 Passerculus_sandwichensis_BNA Online Encyclopedia Wheelwright, N. T. and J. D. Rising. 2008. Savannah Sparrow (Passerculus sandwichensis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/045 Passerella_iliaca_BNA Online Encyclopedia Weckstein, Jason D., Donald E. Kroodsma and Robert C. Faucett. 2002. Fox Sparrow (Passerella iliaca), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/715 Passerina_caerulea_BNA Online Encyclopedia Lowther, Peter E. and James L. Ingold. 2011. Blue Grosbeak (Passerina caerulea), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/079 Passerina_cyanea_BNA Online Encyclopedia Payne, Robert B. 2006. Indigo Bunting (Passerina cyanea), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/004 Petrochelidon_pyrrhonota_BNA Online Encyclopedia Brown, Charles R. and Mary B. Brown. 1995. Cliff Swallow (Petrochelidon pyrrhonota), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/149 Peucaea_aestivalis_BNA Online Encyclopedia Dunning, John B. 2006. Bachman's Sparrow (Peucaea aestivalis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/038 Phalacrocorax_auritus_BNA Online Encyclopedia Hatch, Jeremy J. and D. V. Weseloh. 1999. Double-crested Cormorant (Phalacrocorax auritus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/441 Phalaropus_fulicarius_BNA Online Encyclopedia Tracy, Diane M., Douglas Schamel and James Dale. 2002. Red Phalarope (Phalaropus fulicarius), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/698 Phalaropus_lobatus_BNA Online Encyclopedia Rubega, Margaret A., Douglas Schamel and Diane M. Tracy. 2000. Red-necked Phalarope (Phalaropus lobatus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/538 Phalaropus_tricolor_BNA Online Encyclopedia Colwell, M. A. and J. R. Jehl, Jr. 1994. Wilson's Phalarope (Phalaropus tricolor), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/083 Phasianus_colchicus_BNA Online Encyclopedia Giudice, John H. and John T. Ratti. 2001. Ring-necked Pheasant (Phasianus colchicus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/572 Pheucticus_ludovicianus_BNA Online Encyclopedia Wyatt, Valerie E. and Charles M. Francis. 2002. Rose-breasted Grosbeak (Pheucticus ludovicianus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/692 Pipilo_erythrophthalmus_BNA Online Encyclopedia Greenlaw, Jon S. 1996. Eastern Towhee (Pipilo erythrophthalmus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/262 Piranga_olivacea_BNA Online Encyclopedia Mowbray, Thomas B. 1999. Scarlet Tanager (Piranga olivacea), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/479 Piranga_rubra_BNA Online Encyclopedia Robinson, W. Douglas. 1996. Summer Tanager (Piranga rubra), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/248 Plectrophenax_nivalis_BNA Online Encyclopedia Montgomerie, Robert and Bruce Lyon. 2011. Snow Bunting (Plectrophenax nivalis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/198 Pluvialis_dominica_BNA Online Encyclopedia Johnson, Oscar W. and Peter G. Connors. 2010. American Golden-Plover (Pluvialis dominica), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/201 Pluvialis_squatarola_BNA Online Encyclopedia Paulson, Dennis R. 1995. Black-bellied Plover (Pluvialis squatarola), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/186 Podiceps_auritus_BNA Online Encyclopedia Stedman, Stephen J. 2000. Horned Grebe (Podiceps auritus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/505 Podiceps_grisegena_BNA Online Encyclopedia Stout, Bonnie E. and Gary L. Nuechterlein. 1999. Red-necked Grebe (Podiceps grisegena), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/465 Podilymbus_podiceps_BNA Online Encyclopedia Muller, Martin J. and Robert W. Storer. 1999. Pied-billed Grebe (Podilymbus podiceps), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/410 Poecile_atricapillus_BNA Online Encyclopedia Foote, Jennifer R., Daniel J. Mennill, Laurene M. Ratcliffe and Susan M. Smith. 2010. Black-capped Chickadee (Poecile atricapillus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/039 Poecile_carolinensis_BNA Online Encyclopedia Mostrom, Alison M., Robert L. Curry and Bernard Lohr. 2002. Carolina Chickadee (Poecile carolinensis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/636 Polioptila_caerulea_BNA Online Encyclopedia Kershner, Eric L. and Walter G. Ellison. 2012. Blue-gray Gnatcatcher (Polioptila caerulea), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/023 Pooecetes_gramineus_BNA Online Encyclopedia Jones, Stephanie L. and John E. Cornely. 2002. Vesper Sparrow (Pooecetes gramineus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/624 Porzana_carolina_BNA Online Encyclopedia Melvin, Scott M. and James P. Gibbs. 1996. Sora (Porzana carolina), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/250 Progne_subis_BNA Online Encyclopedia Brown, Charles R. 1997. Purple Martin (Progne subis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/287 Protonotaria_citrea_BNA Online Encyclopedia Petit, Lisa J. 1999. Prothonotary Warbler (Protonotaria citrea), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/408 Rallus_elegans_BNA Online Encyclopedia Poole, Alan F., L. R. Bevier, C. A. Marantz and Brooke Meanley. 2005. King Rail (Rallus elegans), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/003 Rallus_limicola_BNA Online Encyclopedia Conway, Courtney J. 1995. Virginia Rail (Rallus limicola), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/173 Regulus_calendula_BNA Online Encyclopedia Swanson, David L., J. L. Ingold and G. E. Wallace. 2008. Ruby-crowned Kinglet (Regulus calendula), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/119 Regulus_satrapa_BNA Online Encyclopedia Ingold, James L. and Robert Galati. 1997. Golden-crowned Kinglet (Regulus satrapa), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/301 Riparia_riparia_BNA Online Encyclopedia Garrison, Barrett A. 1999. Bank Swallow (Riparia riparia), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/414 Rynchops_niger_BNA Online Encyclopedia Gochfeld, Michael and Joanna Burger. 1994. Black Skimmer (Rynchops niger), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/108 Sayornis_phoebe_BNA Online Encyclopedia Weeks Jr., Harmon P. 2011. Eastern Phoebe (Sayornis phoebe), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/094 Scolopax_minor_BNA Online Encyclopedia Keppie, D. M. and R. M. Whiting, Jr. 1994. American Woodcock (Scolopax minor), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/100 Seiurus_aurocapilla_BNA Online Encyclopedia Porneluzi, Paul, M. A. Van Horn and T.M. Donovan. 2011. Ovenbird (Seiurus aurocapilla), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/088 Setophaga_americana_BNA Online Encyclopedia Moldenhauer, Ralph R. and Daniel J. Regelski. 2012. Northern Parula (Setophaga americana), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/215 Setophaga_caerulescens_BNA Online Encyclopedia Holmes, Richard T., N. L. Rodenhouse and T. S. Sillett. 2005. Black-throated Blue Warbler (Setophaga caerulescens), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/087 Setophaga_cerulea_BNA Online Encyclopedia Hamel, Paul B. 2000. Cerulean Warbler (Setophaga cerulea), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/511 Setophaga_citrina_BNA Online Encyclopedia Chiver, Ioana, L. J. Ogden and B. J. Stutchbury. 2011. Hooded Warbler (Setophaga citrina), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/110 Setophaga_coronata_BNA Online Encyclopedia Hunt, P. D. and David J. Flaspohler. 1998. Yellow-rumped Warbler (Setophaga coronata), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/376 Setophaga_discolor_BNA Online Encyclopedia Nolan Jr., V., E. D. Ketterson and C. A. Buerkle. 1999. Prairie Warbler (Setophaga discolor), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/455 Setophaga_dominica_BNA Online Encyclopedia McKay, Bailey and George A. Hall. 2012. Yellow-throated Warbler (Setophaga dominica), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/223 Setophaga_fusca_BNA Online Encyclopedia Morse, Douglass H. 2004. Blackburnian Warbler (Setophaga fusca), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/102 Setophaga_kirtlandii_BNA Online Encyclopedia Mayfield, Harold F. 1992. Kirtland's Warbler (Setophaga kirtlandii), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/019 Setophaga_magnolia_BNA Online Encyclopedia Dunn, Erica and George A. Hall. 2010. Magnolia Warbler (Setophaga magnolia), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/136 Setophaga_palmarum_BNA Online Encyclopedia Wilson, Jr., W. Herbert. 1996. Palm Warbler (Setophaga palmarum), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/238 Setophaga_pensylvanica_BNA Online Encyclopedia Richardson, Michael and Daniel W. Brauning. 1995. Chestnut-sided Warbler (Setophaga pensylvanica), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/190 Setophaga_pinus_BNA Online Encyclopedia Rodewald, Paul G., James H. Withgott and Kimberly G. Smith. 1999. Pine Warbler (Setophaga pinus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/438 Setophaga_ruticilla_BNA Online Encyclopedia Sherry, Thomas W. and Richard T. Holmes. 1997. American Redstart (Setophaga ruticilla), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/277 Setophaga_striata_BNA Online Encyclopedia Hunt, Pamela D. and Bonita C. Eliason. 1999. Blackpoll Warbler (Setophaga striata), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/431 Setophaga_tigrina_BNA Online Encyclopedia Baltz, Michael E. and Steven C. Latta. 1998. Cape May Warbler (Setophaga tigrina), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/332 Setophaga_virens_BNA Online Encyclopedia Morse, Douglass H. and Alan F. Poole. 2005. Black-throated Green Warbler (Setophaga virens), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/055 Sialia_sialis_BNA Online Encyclopedia Gowaty, Patricia Adair and Jonathan H. Plissner. 1998. Eastern Bluebird (Sialia sialis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/381 Sitta_canadensis_BNA Online Encyclopedia Ghalambor, Cameron K. and Thomas E. Martin. 1999. Red-breasted Nuthatch (Sitta canadensis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/459 Sphyrapicus_varius_BNA Online Encyclopedia Walters, Eric L., Edward H. Miller and Peter E. Lowther. 2002. Yellow-bellied Sapsucker (Sphyrapicus varius), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/662 Spinus_pinus_BNA Online Encyclopedia Dawson, William R. 1997. Pine Siskin (Spinus pinus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/280 Spinus_tristis_BNA Online Encyclopedia McGraw, Kevin J. and Alex L. Middleton. 2009. American Goldfinch (Spinus tristis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/080 Spiza_americana_BNA Online Encyclopedia Temple, Stanley A. 2002. Dickcissel (Spiza americana), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/703 Spizella_arborea_BNA Online Encyclopedia Naugler, Christopher T. 1993. American Tree Sparrow (Spizella arborea), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/037 Spizella_passerina_BNA Online Encyclopedia Middleton, Alex L. 1998. Chipping Sparrow (Spizella passerina), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/334 Spizella_pusilla_BNA Online Encyclopedia Carey, Michael, M. Carey, D. E. Burhans and D. A. Nelson. 2008. Field Sparrow (Spizella pusilla), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/103 Stelgidopteryx_serripennis_BNA Online Encyclopedia De Jong, Michael J. 1996. Northern Rough-winged Swallow (Stelgidopteryx serripennis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/234 Sterna_forsteri_BNA Online Encyclopedia Mcnicholl, Martin K., Peter E. Lowther and John A. Hall. 2001. Forster's Tern (Sterna forsteri), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/595 Sterna_hirundo_BNA Online Encyclopedia Nisbet, Ian C. 2002. Common Tern (Sterna hirundo), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/618 Sternula_antillarum_BNA Online Encyclopedia Thompson, Bruce C., Jerome A. Jackson, Joannna Burger, Laura A. Hill, Eileen M. Kirsch and Jonathan L. Atwood. 1997. Least Tern (Sternula antillarum), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/290 Strix_varia_BNA Online Encyclopedia Mazur, Kurt M. and Paul C. James. 2000. Barred Owl (Strix varia), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/508 Sturnus_vulgaris_BNA Online Encyclopedia Cabe, Paul R. 1993. European Starling (Sturnus vulgaris), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/048 Tachycineta_bicolor_BNA Online Encyclopedia Winkler, David W., Kelly K. Hallinger, Daniel R. Ardia, R. J. Robertson, B. J. Stutchbury and R. R. Cohen. 2011. Tree Swallow (Tachycineta bicolor), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/011 Thryomanes_bewickii_BNA Online Encyclopedia Kennedy, E. Dale and Douglas W. White. 1997. Bewick's Wren (Thryomanes bewickii), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/315 Thryothorus_ludovicianus_BNA Online Encyclopedia Haggerty, Thomas M. and Eugene S. Morton. 1995. Carolina Wren (Thryothorus ludovicianus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/188 Toxostoma_rufum_BNA Online Encyclopedia Cavitt, John F. and Carola A. Haas. 2000. Brown Thrasher (Toxostoma rufum), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/557 Tringa_flavipes_BNA Online Encyclopedia Tibbitts, T. Lee and William Moskoff. 1999. Lesser Yellowlegs (Tringa flavipes), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/427 Tringa_melanoleuca_BNA Online Encyclopedia Elphick, Chris S. and T. Lee Tibbitts. 1998. Greater Yellowlegs (Tringa melanoleuca), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/355 Tringa_semipalmata_BNA Online Encyclopedia Lowther, Peter E., Hector D. Douglas III and Cheri L. Gratto-Trevor. 2001. Willet (Tringa semipalmata), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/579 Tringa_solitaria_BNA Online Encyclopedia Moskoff, William. 2011. Solitary Sandpiper (Tringa solitaria), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/156 Troglodytes_aedon_BNA Online Encyclopedia Johnson, L. Scott. 1998. House Wren (Troglodytes aedon), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/380 Troglodytes_hiemalis_BNA Online Encyclopedia Hejl, Sallie J., Jennifer A. Holmes and Donald E. Kroodsma. 2002. Winter Wren (Troglodytes hiemalis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/623 Tympanuchus_cupido_cupido_BNA Online Encyclopedia Johnson, Jeff A., M. A. Schroeder and L. A. Robb. 2011. Greater Prairie-Chicken (Tympanuchus cupido), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/036 Tyrannus_forficatus_BNA Online Encyclopedia Regosin, Jonathan V. 1998. Scissor-tailed Flycatcher (Tyrannus forficatus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/342 Tyrannus_tyrannus_BNA Online Encyclopedia Murphy, Michael T. 1996. Eastern Kingbird (Tyrannus tyrannus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/253 Tyrannus_verticalis_BNA Online Encyclopedia Gamble, Lawrence R. and Timothy M. Bergin. 2012. Western Kingbird (Tyrannus verticalis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/227 Tyto_alba_BNA Online Encyclopedia Marti, Carl D., Alan F. Poole and L. R. Bevier. 2005. Barn Owl (Tyto alba), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/001 Uria_lomvia_BNA Online Encyclopedia Gaston, Anthony J. and J. Mark Hipfner. 2000. Thick-billed Murre (Uria lomvia), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/497 Vermivora_chrysoptera_BNA Online Encyclopedia Confer, John L., Patricia Hartman and Amber Roth. 2011. Golden-winged Warbler (Vermivora chrysoptera), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/020 Vermivora_cyanoptera_BNA Online Encyclopedia Gill, Frank B., Ronald A. Canterbury and John L. Confer. 2001. Blue-winged Warbler (Vermivora cyanoptera), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/584 Vireo_flavifrons_BNA Online Encyclopedia Rodewald, Paul G. and Ross D. James. 2011. Yellow-throated Vireo (Vireo flavifrons), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/247 Vireo_gilvus_BNA Online Encyclopedia Gardali, Thomas and Grant Ballard. 2000. Warbling Vireo (Vireo gilvus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/551 Vireo_griseus_BNA Online Encyclopedia Hopp, Steven L., Alice Kirby and Carol A. Boone. 1995. White-eyed Vireo (Vireo griseus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/168 Vireo_olivaceus_BNA Online Encyclopedia Cimprich, David A., Frank R. Moore and Michael P. Guilfoyle. 2000. Red-eyed Vireo (Vireo olivaceus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/527 Vireo_philadelphicus_BNA Online Encyclopedia Moskoff, William and Scott K. Robinson. 2011. Philadelphia Vireo (Vireo philadelphicus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/214 Vireo_solitarius_BNA Online Encyclopedia James, Ross D. 1998. Blue-headed Vireo (Vireo solitarius), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/379 Xanthocephalus_xanthocephalus_BNA Online Encyclopedia Twedt, Daniel J. and Richard D. Crawford. 1995. Yellow-headed Blackbird (Xanthocephalus xanthocephalus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/192 Zenaida_macroura_BNA Online Encyclopedia Otis, David L., John H. Schulz, David Miller, R. E. Mirarchi and T. S. Baskett. 2008. Mourning Dove (Zenaida macroura), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/117 Acanthis_flammea_EBI Webpage eBird Range Map - Common Redpoll. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Accipiter_cooperii_EBI Webpage eBird Range Map - Cooper's Hawk. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Accipiter_gentilis_EBI Webpage eBird Range Map - Northern Goshawk. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Accipiter_striatus_EBI Webpage eBird Range Map - Sharp-shinned Hawk. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Actitis_macularius_EBI Webpage eBird Range Map - Spotted Sandpiper. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Aegolius_acadicus_EBI Webpage eBird Range Map - Northern Saw-whet Owl. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Agelaius_phoeniceus_EBI Webpage eBird Range Map - Red-winged Blackbird. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Aix_sponsa_EBI Webpage eBird Range Map - Wood Duck. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Ammodramus_caudacutus_EBI Webpage eBird Range Map - Saltmarsh Sparrow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Ammodramus_henslowii_EBI Webpage eBird Range Map - Henslow's Sparrow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Ammodramus_savannarum_EBI Webpage eBird Range Map - Grasshopper Sparrow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Anas_acuta_EBI Webpage eBird Range Map - Northern Pintail. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Anas_americana_EBI Webpage eBird Range Map - American Wigeon. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Anas_clypeata_EBI Webpage eBird Range Map - Northern Shoveler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Anas_crecca_EBI Webpage eBird Range Map - Green-winged Teal. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Anas_discors_EBI Webpage eBird Range Map - Blue-winged Teal. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Anas_penelope_EBI Webpage eBird Range Map - Eurasian Wigeon. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Anas_platyrhynchos_EBI Webpage eBird Range Map - Mallard. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Anas_rubripes_EBI Webpage eBird Range Map - American Black Duck. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Anas_strepera_EBI Webpage eBird Range Map - Gadwall. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Anthus_rubescens_EBI Webpage eBird Range Map - American Pipit. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Aquila_chrysaetos_EBI Webpage eBird Range Map - Golden Eagle. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Archilochus_colubris_EBI Webpage eBird Range Map - Ruby-throated Hummingbird. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Ardea_alba_EBI Webpage eBird Range Map - Great Egret. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Ardea_herodias_EBI Webpage eBird Range Map - Great Blue Heron. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Arenaria_interpres_EBI Webpage eBird Range Map - Ruddy Turnstone. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Asio_flammeus_EBI Webpage eBird Range Map - Short-eared Owl. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Asio_otus_EBI Webpage eBird Range Map - Long-eared Owl. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Aythya_affinis_EBI Webpage eBird Range Map - Lesser Scaup. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Aythya_americana_EBI Webpage eBird Range Map - Redhead. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Aythya_collaris_EBI Webpage eBird Range Map - Ring-necked Duck. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Aythya_marila_EBI Webpage eBird Range Map - Greater Scaup. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Aythya_valisineria_EBI Webpage eBird Range Map - Canvasback. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Baeolophus_bicolor_EBI Webpage eBird Range Map - Tufted Titmouse. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Bartramia_longicauda_EBI Webpage eBird Range Map - Upland Sandpiper. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Bombycilla_cedrorum_EBI Webpage eBird Range Map - Cedar Waxwing. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Bonasa_umbellus_EBI Webpage eBird Range Map - Ruffed Grouse. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Botaurus_lentiginosus_EBI Webpage eBird Range Map - American Bittern. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Branta_bernicla_EBI Webpage eBird Range Map - Brant. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Branta_canadensis_EBI Webpage eBird Range Map - Canada Goose. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Bubo_virginianus_EBI Webpage eBird Range Map - Great Horned Owl. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Bucephala_albeola_EBI Webpage eBird Range Map - Bufflehead. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Bucephala_clangula_EBI Webpage eBird Range Map - Common Goldeneye. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Buteo_jamaicensis_EBI Webpage eBird Range Map - Red-tailed Hawk. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Buteo_lagopus_EBI Webpage eBird Range Map - Rough-legged Hawk. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Buteo_lineatus_EBI Webpage eBird Range Map - Red-shouldered Hawk. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Buteo_platypterus_EBI Webpage eBird Range Map - Broad-winged Hawk. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Butorides_virescens_EBI Webpage eBird Range Map - Green Heron. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Calcarius_lapponicus_EBI Webpage eBird Range Map - Lapland Longspur. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Calidris_alba_EBI Webpage eBird Range Map - Sanderling. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Calidris_alpina_EBI Webpage eBird Range Map - Dunlin. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Calidris_bairdii_EBI Webpage eBird Range Map - Baird's Sandpiper. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Calidris_fuscicollis_EBI Webpage eBird Range Map - White-rumped Sandpiper. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Calidris_himantopus_EBI Webpage eBird Range Map - Stilt Sandpiper. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Calidris_melanotos_EBI Webpage eBird Range Map - Pectoral Sandpiper. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Calidris_minutilla_EBI Webpage eBird Range Map - Least Sandpiper. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Calidris_pusilla_EBI Webpage eBird Range Map - Semipalmated Sandpiper. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Caprimulgus_carolinensis_EBI Webpage eBird Range Map - Chuck-will's-widow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Caprimulgus_vociferus_EBI Webpage eBird Range Map - Eastern Whip-poor-will. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Cardellina_canadensis_EBI Webpage eBird Range Map - Canada Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Cardellina_pusilla_EBI Webpage eBird Range Map - Wilson's Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Haemorhous_purpureus_EBI Webpage eBird Range Map - Purple Finch. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Cathartes_aura_EBI Webpage eBird Range Map - Turkey Vulture. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Catharus_fuscescens_EBI Webpage eBird Range Map - Veery. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Catharus_guttatus_EBI Webpage eBird Range Map - Hermit Thrush. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Catharus_minimus_EBI Webpage eBird Range Map - Gray-cheeked Thrush. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Catharus_ustulatus_EBI Webpage eBird Range Map - Swainson's Thrush. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Certhia_americana_EBI Webpage eBird Range Map - Brown Creeper. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Charadrius_semipalmatus_EBI Webpage eBird Range Map - Semipalmated Plover. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Charadrius_vociferus_EBI Webpage eBird Range Map - Killdeer. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Chen_caerulescens_EBI Webpage eBird Range Map - Snow Goose. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Chlidonias_niger_EBI Webpage eBird Range Map - Black Tern. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Chondestes_grammacus_EBI Webpage eBird Range Map - Lark Sparrow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Chroicocephalus_philadelphia_EBI Webpage eBird Range Map - Bonaparte's Gull. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Circus_cyaneus_EBI Webpage eBird Range Map - Northern Harrier. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Cistothorus_palustris_EBI Webpage eBird Range Map - Marsh Wren. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Cistothorus_platensis_EBI Webpage eBird Range Map - Sedge Wren. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Clangula_hyemalis_EBI Webpage eBird Range Map - Long-tailed Duck. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Coccothraustes_vespertinus_EBI Webpage eBird Range Map - Evening Grosbeak. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Coccyzus_americanus_EBI Webpage eBird Range Map - Yellow-billed Cuckoo. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Coccyzus_erythropthalmus_EBI Webpage eBird Range Map - Black-billed Cuckoo. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Colinus_virginianus_EBI Webpage eBird Range Map - Northern Bobwhite. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Contopus_cooperi_EBI Webpage eBird Range Map - Olive-sided Flycatcher. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Contopus_virens_EBI Webpage eBird Range Map - Eastern Wood-Pewee. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Coragyps_atratus_EBI Webpage eBird Range Map - Black Vulture. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Corvus_brachyrhynchos_EBI Webpage eBird Range Map - American Crow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Coturnicops_noveboracensis_EBI Webpage eBird Range Map - Yellow Rail. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Cygnus_columbianus_EBI Webpage eBird Range Map - Tundra Swan. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Dolichonyx_oryzivorus_EBI Webpage eBird Range Map - Bobolink. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Egretta_caerulea_EBI Webpage eBird Range Map - Little Blue Heron. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Egretta_thula_EBI Webpage eBird Range Map - Snowy Egret. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Egretta_tricolor_EBI Webpage eBird Range Map - Tricolored Heron. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Empidonax_alnorum_EBI Webpage eBird Range Map - Alder Flycatcher. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Empidonax_flaviventris_EBI Webpage eBird Range Map - Yellow-bellied Flycatcher. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Empidonax_minimus_EBI Webpage eBird Range Map - Least Flycatcher. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Empidonax_virescens_EBI Webpage eBird Range Map - Acadian Flycatcher. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Eremophila_alpestris_EBI Webpage eBird Range Map - Horned Lark. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Euphagus_carolinus_EBI Webpage eBird Range Map - Rusty Blackbird. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Falco_columbarius_EBI Webpage eBird Range Map - Merlin. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Falco_peregrinus_EBI Webpage eBird Range Map - Peregrine Falcon. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Falco_sparverius_EBI Webpage eBird Range Map - American Kestrel. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Fulica_americana_EBI Webpage eBird Range Map - American Coot. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Gallinago_delicata_EBI Webpage eBird Range Map - Wilson's Snipe. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Gallinula_galeata_EBI Webpage eBird Range Map - Common Gallinule. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Gavia_immer_EBI Webpage eBird Range Map - Common Loon. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Gavia_stellata_EBI Webpage eBird Range Map - Red-throated Loon. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Gelochelidon_nilotica_EBI Webpage eBird Range Map - Gull-billed Tern. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Geothlypis_formosa_EBI Webpage eBird Range Map - Kentucky Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Geothlypis_philadelphia_EBI Webpage eBird Range Map - Mourning Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Helmitheros_vermivorum_EBI Webpage eBird Range Map - Worm-eating Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Hydroprogne_caspia_EBI Webpage eBird Range Map - Caspian Tern. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Hylocichla_mustelina_EBI Webpage eBird Range Map - Wood Thrush. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Icteria_virens_EBI Webpage eBird Range Map - Yellow-breasted Chat. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Icterus_spurius_EBI Webpage eBird Range Map - Orchard Oriole. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Junco_hyemalis_EBI Webpage eBird Range Map - Dark-eyed Junco. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Lanius_excubitor_EBI Webpage eBird Range Map - Northern Shrike. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Lanius_ludovicianus_EBI Webpage eBird Range Map - Loggerhead Shrike. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Larus_argentatus_EBI Webpage eBird Range Map - Herring Gull. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Larus_delawarensis_EBI Webpage eBird Range Map - Ring-billed Gull. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Leucophaeus_atricilla_EBI Webpage eBird Range Map - Laughing Gull. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Limnodromus_griseus_EBI Webpage eBird Range Map - Short-billed Dowitcher. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Lophodytes_cucullatus_EBI Webpage eBird Range Map - Hooded Merganser. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Loxia_curvirostra_EBI Webpage eBird Range Map - Red Crossbill. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Loxia_leucoptera_EBI Webpage eBird Range Map - White-winged Crossbill. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Megascops_asio_EBI Webpage eBird Range Map - Eastern Screech-Owl. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Melanerpes_carolinus_EBI Webpage eBird Range Map - Red-bellied Woodpecker. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Melanerpes_erythrocephalus_EBI Webpage eBird Range Map - Red-headed Woodpecker. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Melanitta_fusca_EBI Webpage eBird Range Map - White-winged Scoter. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Melanitta_perspicillata_EBI Webpage eBird Range Map - Surf Scoter. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Meleagris_gallopavo_EBI Webpage eBird Range Map - Wild Turkey. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Melospiza_georgiana_EBI Webpage eBird Range Map - Swamp Sparrow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Melospiza_lincolnii_EBI Webpage eBird Range Map - Lincoln's Sparrow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Mergus_merganser_EBI Webpage eBird Range Map - Common Merganser. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Mniotilta_varia_EBI Webpage eBird Range Map - Black-and-white Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Mycteria_americana_EBI Webpage eBird Range Map - Wood Stork. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Myiarchus_crinitus_EBI Webpage eBird Range Map - Great Crested Flycatcher. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Nyctanassa_violacea_EBI Webpage eBird Range Map - Yellow-crowned Night-Heron. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Nycticorax_nycticorax_EBI Webpage eBird Range Map - Black-crowned Night-Heron. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Oceanites_oceanicus_EBI Webpage eBird Range Map - Wilson's Storm-Petrel. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Oporornis_agilis_EBI Webpage eBird Range Map - Connecticut Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Oreothlypis_celata_EBI Webpage eBird Range Map - Orange-crowned Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Oreothlypis_peregrina_EBI Webpage eBird Range Map - Tennessee Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Oreothlypis_ruficapilla_EBI Webpage eBird Range Map - Nashville Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Oxyura_jamaicensis_EBI Webpage eBird Range Map - Ruddy Duck. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Parkesia_motacilla_EBI Webpage eBird Range Map - Louisiana Waterthrush. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Parkesia_noveboracensis_EBI Webpage eBird Range Map - Northern Waterthrush. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Passer_domesticus_EBI Webpage eBird Range Map - House Sparrow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Passerculus_sandwichensis_EBI Webpage eBird Range Map - Savannah Sparrow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Passerella_iliaca_EBI Webpage eBird Range Map - Fox Sparrow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Passerina_caerulea_EBI Webpage eBird Range Map - Blue Grosbeak. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Passerina_cyanea_EBI Webpage eBird Range Map - Indigo Bunting. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Petrochelidon_pyrrhonota_EBI Webpage eBird Range Map - Cliff Swallow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Peucaea_aestivalis_EBI Webpage eBird Range Map - Bachman's Sparrow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Phalacrocorax_auritus_EBI Webpage eBird Range Map - Double-crested Cormorant. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Phalaropus_fulicarius_EBI Webpage eBird Range Map - Red Phalarope. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Phalaropus_lobatus_EBI Webpage eBird Range Map - Red-necked Phalarope. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Phalaropus_tricolor_EBI Webpage eBird Range Map - Wilson's Phalarope. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Phasianus_colchicus_EBI Webpage eBird Range Map - Ring-necked Pheasant. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Pheucticus_ludovicianus_EBI Webpage eBird Range Map - Rose-breasted Grosbeak. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Pipilo_erythrophthalmus_EBI Webpage eBird Range Map - Eastern Towhee. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Piranga_olivacea_EBI Webpage eBird Range Map - Scarlet Tanager. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Piranga_rubra_EBI Webpage eBird Range Map - Summer Tanager. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Plectrophenax_nivalis_EBI Webpage eBird Range Map - Snow Bunting. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Pluvialis_dominica_EBI Webpage eBird Range Map - American Golden-Plover. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Pluvialis_squatarola_EBI Webpage eBird Range Map - Black-bellied Plover. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Podiceps_auritus_EBI Webpage eBird Range Map - Horned Grebe. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Podiceps_grisegena_EBI Webpage eBird Range Map - Red-necked Grebe. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Podilymbus_podiceps_EBI Webpage eBird Range Map - Pied-billed Grebe. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Poecile_atricapillus_EBI Webpage eBird Range Map - Black-capped Chickadee. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Poecile_carolinensis_EBI Webpage eBird Range Map - Carolina Chickadee. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Polioptila_caerulea_EBI Webpage eBird Range Map - Blue-gray Gnatcatcher. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Pooecetes_gramineus_EBI Webpage eBird Range Map - Vesper Sparrow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Porzana_carolina_EBI Webpage eBird Range Map - Sora. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Progne_subis_EBI Webpage eBird Range Map - Purple Martin. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Protonotaria_citrea_EBI Webpage eBird Range Map - Prothonotary Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Rallus_elegans_EBI Webpage eBird Range Map - King Rail. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Rallus_limicola_EBI Webpage eBird Range Map - Virginia Rail. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Regulus_calendula_EBI Webpage eBird Range Map - Ruby-crowned Kinglet. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Regulus_satrapa_EBI Webpage eBird Range Map - Golden-crowned Kinglet. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Riparia_riparia_EBI Webpage eBird Range Map - Bank Swallow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Rynchops_niger_EBI Webpage eBird Range Map - Black Skimmer. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Sayornis_phoebe_EBI Webpage eBird Range Map - Eastern Phoebe. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Scolopax_minor_EBI Webpage eBird Range Map - American Woodcock. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Seiurus_aurocapilla_EBI Webpage eBird Range Map - Ovenbird. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_americana_EBI Webpage eBird Range Map - Northern Parula. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_caerulescens_EBI Webpage eBird Range Map - Black-throated Blue Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_cerulea_EBI Webpage eBird Range Map - Cerulean Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_citrina_EBI Webpage eBird Range Map - Hooded Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_coronata_EBI Webpage eBird Range Map - Yellow-rumped Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_discolor_EBI Webpage eBird Range Map - Prairie Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_dominica_EBI Webpage eBird Range Map - Yellow-throated Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_fusca_EBI Webpage eBird Range Map - Blackburnian Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_kirtlandii_EBI Webpage eBird Range Map - Kirtland's Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_magnolia_EBI Webpage eBird Range Map - Magnolia Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_palmarum_EBI Webpage eBird Range Map - Palm Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_pensylvanica_EBI Webpage eBird Range Map - Chestnut-sided Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_pinus_EBI Webpage eBird Range Map - Pine Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_ruticilla_EBI Webpage eBird Range Map - American Redstart. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_striata_EBI Webpage eBird Range Map - Blackpoll Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_tigrina_EBI Webpage eBird Range Map - Cape May Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Setophaga_virens_EBI Webpage eBird Range Map - Black-throated Green Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Sialia_sialis_EBI Webpage eBird Range Map - Eastern Bluebird. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Sitta_canadensis_EBI Webpage eBird Range Map - Red-breasted Nuthatch. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Sphyrapicus_varius_EBI Webpage eBird Range Map - Yellow-bellied Sapsucker. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Spinus_pinus_EBI Webpage eBird Range Map - Pine Siskin. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Spinus_tristis_EBI Webpage eBird Range Map - American Goldfinch. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Spiza_americana_EBI Webpage eBird Range Map - Dickcissel. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Spizella_arborea_EBI Webpage eBird Range Map - American Tree Sparrow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Spizella_passerina_EBI Webpage eBird Range Map - Chipping Sparrow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Spizella_pusilla_EBI Webpage eBird Range Map - Field Sparrow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Stelgidopteryx_serripennis_EBI Webpage eBird Range Map - Northern Rough-winged Swallow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Sterna_forsteri_EBI Webpage eBird Range Map - Forster's Tern. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Sterna_hirundo_EBI Webpage eBird Range Map - Common Tern. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Sternula_antillarum_EBI Webpage eBird Range Map - Least Tern. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Strix_varia_EBI Webpage eBird Range Map - Barred Owl. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Sturnus_vulgaris_EBI Webpage eBird Range Map - European Starling. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Tachycineta_bicolor_EBI Webpage eBird Range Map - Tree Swallow. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Thryomanes_bewickii_EBI Webpage eBird Range Map - Bewick's Wren. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Thryothorus_ludovicianus_EBI Webpage eBird Range Map - Carolina Wren. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Toxostoma_rufum_EBI Webpage eBird Range Map - Brown Thrasher. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Tringa_flavipes_EBI Webpage eBird Range Map - Lesser Yellowlegs. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Tringa_melanoleuca_EBI Webpage eBird Range Map - Greater Yellowlegs. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Tringa_semipalmata_EBI Webpage eBird Range Map - Willet. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Tringa_solitaria_EBI Webpage eBird Range Map - Solitary Sandpiper. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Troglodytes_aedon_EBI Webpage eBird Range Map - House Wren. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Troglodytes_hiemalis_EBI Webpage eBird Range Map - Winter Wren. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Tyrannus_forficatus_EBI Webpage eBird Range Map - Scissor-tailed Flycatcher. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Tyrannus_tyrannus_EBI Webpage eBird Range Map - Eastern Kingbird. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Tyrannus_verticalis_EBI Webpage eBird Range Map - Western Kingbird. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Tyto_alba_EBI Webpage eBird Range Map - Barn Owl. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Uria_lomvia_EBI Webpage eBird Range Map - Thick-billed Murre. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Vermivora_chrysoptera_EBI Webpage eBird Range Map - Golden-winged Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Vermivora_cyanoptera_EBI Webpage eBird Range Map - Blue-winged Warbler. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Vireo_flavifrons_EBI Webpage eBird Range Map - Yellow-throated Vireo. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Vireo_gilvus_EBI Webpage eBird Range Map - Warbling Vireo. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Vireo_griseus_EBI Webpage eBird Range Map - White-eyed Vireo. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Vireo_olivaceus_EBI Webpage eBird Range Map - Red-eyed Vireo. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Vireo_philadelphicus_EBI Webpage eBird Range Map - Philadelphia Vireo. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Vireo_solitarius_EBI Webpage eBird Range Map - Blue-headed Vireo. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Xanthocephalus_xanthocephalus_EBI Webpage eBird Range Map - Yellow-headed Blackbird. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Zenaida_macroura_EBI Webpage eBird Range Map - Mourning Dove. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. . Acanthis_flammea_XEN Webpage Carduelis flammea. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Accipiter_cooperii_XEN Webpage Accipiter cooperii. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Accipiter_gentilis_XEN Webpage Accipiter gentilis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Accipiter_striatus_XEN Webpage Accipiter striatus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Actitis_macularius_XEN Webpage Actitis macularius. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Aegolius_acadicus_XEN Webpage Aegolius acadicus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Agelaius_phoeniceus_XEN Webpage Agelaius phoeniceus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Aix_sponsa_XEN Webpage Aix sponsa. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Ammodramus_caudacutus_XEN Webpage Ammodramus caudacutus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Ammodramus_henslowii_XEN Webpage Ammodramus henslowii. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Ammodramus_savannarum_XEN Webpage Ammodramus savannarum. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Anas_acuta_XEN Webpage Anas acuta. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Anas_americana_XEN Webpage Anas americana. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Anas_clypeata_XEN Webpage Anas clypeata. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Anas_crecca_XEN Webpage Anas crecca. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Anas_discors_XEN Webpage Anas discors. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Anas_penelope_XEN Webpage Anas penelope. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Anas_platyrhynchos_XEN Webpage Anas platyrhynchos. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Anas_rubripes_XEN Webpage Anas rubripes. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Anas_strepera_XEN Webpage Anas strepera. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Anthus_rubescens_XEN Webpage Anthus rubescens. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Aquila_chrysaetos_XEN Webpage Aquila chrysaetos. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Archilochus_colubris_XEN Webpage Archilochus colubris. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Ardea_alba_XEN Webpage Ardea alba. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Ardea_herodias_XEN Webpage Ardea herodias. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Arenaria_interpres_XEN Webpage Arenaria interpres. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Asio_flammeus_XEN Webpage Asio flammeus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Asio_otus_XEN Webpage Asio otus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Aythya_affinis_XEN Webpage Aythya affinis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Aythya_americana_XEN Webpage Aythya americana. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Aythya_collaris_XEN Webpage Aythya collaris. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Aythya_marila_XEN Webpage Aythya marila. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Aythya_valisineria_XEN Webpage Aythya valisineria. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Baeolophus_bicolor_XEN Webpage Baeolophus bicolor. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Bartramia_longicauda_XEN Webpage Bartramia longicauda. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Bombycilla_cedrorum_XEN Webpage Bombycilla cedrorum. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Bonasa_umbellus_XEN Webpage Bonasa umbellus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Botaurus_lentiginosus_XEN Webpage Botaurus lentiginosus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Branta_bernicla_XEN Webpage Branta bernicla. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Branta_canadensis_XEN Webpage Branta canadensis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Bubo_virginianus_XEN Webpage Bubo virginianus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Bucephala_albeola_XEN Webpage Bucephala albeola. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Bucephala_clangula_XEN Webpage Bucephala clangula. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Buteo_jamaicensis_XEN Webpage Buteo jamaicensis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Buteo_lagopus_XEN Webpage Buteo lagopus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Buteo_lineatus_XEN Webpage Buteo lineatus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Buteo_platypterus_XEN Webpage Buteo platypterus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Butorides_virescens_XEN Webpage Butorides virescens. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Calcarius_lapponicus_XEN Webpage Calcarius lapponicus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Calidris_alba_XEN Webpage Calidris alba. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Calidris_alpina_XEN Webpage Calidris alpina. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Calidris_bairdii_XEN Webpage Calidris bairdii. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Calidris_fuscicollis_XEN Webpage Calidris fuscicollis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Calidris_himantopus_XEN Webpage Calidris himantopus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Calidris_melanotos_XEN Webpage Calidris melanotos. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Calidris_minutilla_XEN Webpage Calidris minutilla. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Calidris_pusilla_XEN Webpage Calidris pusilla. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Caprimulgus_carolinensis_XEN Webpage Caprimulgus carolinensis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Caprimulgus_vociferus_XEN Webpage Caprimulgus vociferus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Cardellina_canadensis_XEN Webpage Wilsonia canadensis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Cardellina_pusilla_XEN Webpage Wilsonia pusilla. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Haemorhous_purpureus_XEN Webpage Carpodacus purpureus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Cathartes_aura_XEN Webpage Cathartes aura. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Catharus_fuscescens_XEN Webpage Catharus fuscescens. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Catharus_guttatus_XEN Webpage Catharus guttatus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Catharus_minimus_XEN Webpage Catharus minimus Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Catharus_ustulatus_XEN Webpage Catharus ustulatus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Certhia_americana_XEN Webpage Certhia americana. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Charadrius_semipalmatus_XEN Webpage Charadrius semipalmatus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Charadrius_vociferus_XEN Webpage Charadrius vociferus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Chen_caerulescens_XEN Webpage Chen caerulescens. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Chlidonias_niger_XEN Webpage Chlidonias niger. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Chondestes_grammacus_XEN Webpage Chondestes grammacus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Chroicocephalus_philadelphia_XEN Webpage Chroicocephalus philadelphia. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Circus_cyaneus_XEN Webpage Circus cyaneus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Cistothorus_palustris_XEN Webpage Cistothorus palustris. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Cistothorus_platensis_XEN Webpage Cistothorus platensis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Clangula_hyemalis_XEN Webpage Clangula hyemalis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Coccothraustes_vespertinus_XEN Webpage Coccothraustes vespertinus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Coccyzus_americanus_XEN Webpage Coccyzus americanus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Coccyzus_erythropthalmus_XEN Webpage Coccyzus erythropthalmus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Colinus_virginianus_XEN Webpage Colinus virginianus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Contopus_cooperi_XEN Webpage Contopus cooperi. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Contopus_virens_XEN Webpage Contopus virens. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Coragyps_atratus_XEN Webpage Coragyps atratus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Corvus_brachyrhynchos_XEN Webpage Corvus brachyrhynchos. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Coturnicops_noveboracensis_XEN Webpage Coturnicops noveboracensis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Cygnus_columbianus_XEN Webpage Cygnus columbianus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Dolichonyx_oryzivorus_XEN Webpage Dolichonyx oryzivorus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Egretta_caerulea_XEN Webpage Egretta caerulea. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Egretta_thula_XEN Webpage Egretta thula. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Egretta_tricolor_XEN Webpage Egretta tricolor. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Empidonax_alnorum_XEN Webpage Empidonax alnorum. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Empidonax_flaviventris_XEN Webpage Empidonax flaviventris. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Empidonax_minimus_XEN Webpage Empidonax minimus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Empidonax_virescens_XEN Webpage Empidonax virescens. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Eremophila_alpestris_XEN Webpage Eremophila alpestris. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Euphagus_carolinus_XEN Webpage Euphagus carolinus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Falco_columbarius_XEN Webpage Falco columbarius. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Falco_peregrinus_XEN Webpage Falco peregrinus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Falco_sparverius_XEN Webpage Falco sparverius. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Fulica_americana_XEN Webpage Fulica americana. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Gallinago_delicata_XEN Webpage Gallinago gallinago. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Gallinula_galeata_XEN Webpage Gallinula chloropus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Gavia_immer_XEN Webpage Gavia immer. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Gavia_stellata_XEN Webpage Gavia stellata. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Gelochelidon_nilotica_XEN Webpage Sterna nilotica. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Geothlypis_formosa_XEN Webpage Oporornis formosus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Geothlypis_philadelphia_XEN Webpage Oporornis philadelphia. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Helmitheros_vermivorum_XEN Webpage Helmitheros vermivorum. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Hydroprogne_caspia_XEN Webpage Sterna caspia. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Hylocichla_mustelina_XEN Webpage Hylocichla mustelina. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Icteria_virens_XEN Webpage Icteria virens. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Icterus_spurius_XEN Webpage Icterus spurius. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Junco_hyemalis_XEN Webpage Junco hyemalis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Lanius_excubitor_XEN Webpage Lanius excubitor. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Lanius_ludovicianus_XEN Webpage Lanius ludovicianus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Larus_argentatus_XEN Webpage Larus argentatus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Larus_delawarensis_XEN Webpage Larus delawarensis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Leucophaeus_atricilla_XEN Webpage Larus atricilla. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Limnodromus_griseus_XEN Webpage Limnodromus griseus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Lophodytes_cucullatus_XEN Webpage Lophodytes cucullatus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Loxia_curvirostra_XEN Webpage Loxia curvirostra. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Loxia_leucoptera_XEN Webpage Loxia leucoptera. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Megascops_asio_XEN Webpage Megascops asio. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Melanerpes_carolinus_XEN Webpage Melanerpes carolinus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Melanerpes_erythrocephalus_XEN Webpage Melanerpes erythrocephalus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Melanitta_fusca_XEN Webpage Melanitta fusca. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Melanitta_perspicillata_XEN Webpage Melanitta perspicillata. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Meleagris_gallopavo_XEN Webpage Meleagris gallopavo. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Melospiza_georgiana_XEN Webpage Melospiza georgiana. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Melospiza_lincolnii_XEN Webpage Melospiza lincolnii. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Mergus_merganser_XEN Webpage Mergus merganser. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Mniotilta_varia_XEN Webpage Mniotilta varia. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Mycteria_americana_XEN Webpage Mycteria americana. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Myiarchus_crinitus_XEN Webpage Myiarchus crinitus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Nyctanassa_violacea_XEN Webpage Nyctanassa violacea. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Nycticorax_nycticorax_XEN Webpage Nycticorax nycticorax. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Oceanites_oceanicus_XEN Webpage Oceanites oceanicus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Oporornis_agilis_XEN Webpage Oporornis agilis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Oreothlypis_celata_XEN Webpage Vermivora celata. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Oreothlypis_peregrina_XEN Webpage Vermivora peregrina. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Oreothlypis_ruficapilla_XEN Webpage Vermivora ruficapilla. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Oxyura_jamaicensis_XEN Webpage Oxyura jamaicensis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Parkesia_motacilla_XEN Webpage Parkesia motacilla. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Parkesia_noveboracensis_XEN Webpage Seiurus noveboracensis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Passer_domesticus_XEN Webpage Passer domesticus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Passerculus_sandwichensis_XEN Webpage Passerculus sandwichensis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Passerella_iliaca_XEN Webpage Passerella iliaca. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Passerina_caerulea_XEN Webpage Passerina caerulea. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Passerina_cyanea_XEN Webpage Passerina cyanea. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Petrochelidon_pyrrhonota_XEN Webpage Petrochelidon pyrrhonota. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Peucaea_aestivalis_XEN Webpage Peucaea aestivalis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Phalacrocorax_auritus_XEN Webpage Phalacrocorax auritus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Phalaropus_fulicarius_XEN Webpage Phalaropus fulicarius. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Phalaropus_lobatus_XEN Webpage Phalaropus lobatus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Phalaropus_tricolor_XEN Webpage Phalaropus tricolor. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Phasianus_colchicus_XEN Webpage Phasianus colchicus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Pheucticus_ludovicianus_XEN Webpage Pheucticus ludovicianus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Pipilo_erythrophthalmus_XEN Webpage Pipilo erythrophthalmus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Piranga_olivacea_XEN Webpage Piranga olivacea. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Piranga_rubra_XEN Webpage Piranga rubra. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Plectrophenax_nivalis_XEN Webpage Plectrophenax nivalis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Pluvialis_dominica_XEN Webpage Pluvialis dominica. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Pluvialis_squatarola_XEN Webpage Pluvialis squatarola. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Podiceps_auritus_XEN Webpage Podiceps auritus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Podiceps_grisegena_XEN Webpage Podiceps grisegena. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Podilymbus_podiceps_XEN Webpage Podilymbus podiceps. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Poecile_atricapillus_XEN Webpage Poecile atricapillus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Poecile_carolinensis_XEN Webpage Poecile carolinensis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Polioptila_caerulea_XEN Webpage Polioptila caerulea. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Pooecetes_gramineus_XEN Webpage Pooecetes gramineus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Porzana_carolina_XEN Webpage Porzana carolina. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Progne_subis_XEN Webpage Progne subis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Protonotaria_citrea_XEN Webpage Protonotaria citrea. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Rallus_elegans_XEN Webpage Rallus elegans. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Rallus_limicola_XEN Webpage Rallus limicola. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Regulus_calendula_XEN Webpage Regulus calendula. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Regulus_satrapa_XEN Webpage Regulus satrapa. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Riparia_riparia_XEN Webpage Riparia riparia. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Rynchops_niger_XEN Webpage Rynchops niger. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Sayornis_phoebe_XEN Webpage Sayornis phoebe. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Scolopax_minor_XEN Webpage Scolopax minor. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Seiurus_aurocapilla_XEN Webpage Seiurus aurocapilla. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_americana_XEN Webpage Parula americana. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_caerulescens_XEN Webpage Dendroica caerulescens. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_cerulea_XEN Webpage Dendroica cerulea. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_citrina_XEN Webpage Wilsonia citrina. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_coronata_XEN Webpage Setophaga coronata. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_discolor_XEN Webpage Dendroica discolor. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_dominica_XEN Webpage Dendroica dominica. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_fusca_XEN Webpage Dendroica fusca. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_kirtlandii_XEN Webpage Setophaga kirtlandii. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_magnolia_XEN Webpage Dendroica magnolia. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_palmarum_XEN Webpage Dendroica palmarum. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_pensylvanica_XEN Webpage Setophaga pensylvanica. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_pinus_XEN Webpage Dendroica pinus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_ruticilla_XEN Webpage Setophaga ruticilla. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_striata_XEN Webpage Dendroica striata. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_tigrina_XEN Webpage Dendroica tigrina. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Setophaga_virens_XEN Webpage Dendroica virens. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Sialia_sialis_XEN Webpage Sialia sialis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Sitta_canadensis_XEN Webpage Sitta canadensis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Sphyrapicus_varius_XEN Webpage Sphyrapicus varius. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Spinus_pinus_XEN Webpage Carduelis pinus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Spinus_tristis_XEN Webpage Carduelis tristis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Spiza_americana_XEN Webpage Spiza americana. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Spizella_arborea_XEN Webpage Spizella arborea. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Spizella_passerina_XEN Webpage Spizella passerina. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Spizella_pusilla_XEN Webpage Spizella pusilla. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Stelgidopteryx_serripennis_XEN Webpage Stelgidopteryx serripennis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Sterna_forsteri_XEN Webpage Sterna forsteri. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Sterna_hirundo_XEN Webpage Sterna hirundo. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Sternula_antillarum_XEN Webpage Sterna antillarum. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Strix_varia_XEN Webpage Strix varia. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Sturnus_vulgaris_XEN Webpage Sturnus vulgaris. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Tachycineta_bicolor_XEN Webpage Tachycineta bicolor. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Thryomanes_bewickii_XEN Webpage Thryomanes bewickii. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Thryothorus_ludovicianus_XEN Webpage Thryothorus ludovicianus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Toxostoma_rufum_XEN Webpage Toxostoma rufum. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Tringa_flavipes_XEN Webpage Tringa flavipes. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Tringa_melanoleuca_XEN Webpage Tringa melanoleuca. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Tringa_semipalmata_XEN Webpage Catoptrophorus semipalmatus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Tringa_solitaria_XEN Webpage Tringa solitaria. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Troglodytes_aedon_XEN Webpage Troglodytes aedon. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Troglodytes_hiemalis_XEN Webpage Troglodytes troglodytes. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Tyrannus_forficatus_XEN Webpage Tyrannus forficatus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Tyrannus_tyrannus_XEN Webpage Tyrannus tyrannus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Tyrannus_verticalis_XEN Webpage Tyrannus verticalis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Tyto_alba_XEN Webpage Tyto alba. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Uria_lomvia_XEN Webpage Uria lomvia. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Vermivora_chrysoptera_XEN Webpage Vermivora chrysoptera. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Vermivora_cyanoptera_XEN Webpage Vermivora pinus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Vireo_flavifrons_XEN Webpage Vireo flavifrons. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Vireo_gilvus_XEN Webpage Vireo gilvus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Vireo_griseus_XEN Webpage Vireo griseus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Vireo_olivaceus_XEN Webpage Vireo olivaceus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Vireo_philadelphicus_XEN Webpage Vireo philadelphicus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Vireo_solitarius_XEN Webpage Vireo solitarius. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Xanthocephalus_xanthocephalus_XEN Webpage Xanthocephalus xanthocephalus. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Zenaida_macroura_XEN Webpage Zenaida macroura. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. . Acanthis_flammea_IBC Webpage Common Redpoll (Carduelis flammea). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Accipiter_cooperii_IBC Webpage Cooper's Hawk (Accipiter cooperii). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Accipiter_gentilis_IBC Webpage Northern Goshawk (Accipiter gentilis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Accipiter_striatus_IBC Webpage Sharp-shinned Hawk (Accipiter striatus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Actitis_macularius_IBC Webpage Spotted Sandpiper (Actitis macularia). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Aegolius_acadicus_IBC Webpage Northern Saw-whet Owl (Aegolius acadicus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Agelaius_phoeniceus_IBC Webpage Red-winged Blackbird (Agelaius phoeniceus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Aix_sponsa_IBC Webpage American Wood Duck (Aix sponsa). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Ammodramus_caudacutus_IBC Webpage Saltmarsh Sparrow (Ammodramus caudacutus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Ammodramus_henslowii_IBC Webpage Henslow's Sparrow (Ammodramus henslowii). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Ammodramus_savannarum_IBC Webpage Grasshopper Sparrow (Ammodramus savannarum). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Anas_acuta_IBC Webpage Northern Pintail (Anas acuta). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Anas_americana_IBC Webpage American Wigeon (Anas americana). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Anas_clypeata_IBC Webpage Northern Shoveler (Anas clypeata). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Anas_crecca_IBC Webpage Common Teal (Anas crecca). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Anas_discors_IBC Webpage Blue-winged Teal (Anas discors). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Anas_penelope_IBC Webpage Eurasian Wigeon (Anas penelope). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Anas_platyrhynchos_IBC Webpage Mallard (Anas platyrhynchos). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Anas_rubripes_IBC Webpage American Black Duck (Anas rubripes). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Anas_strepera_IBC Webpage Gadwall (Anas strepera). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Anthus_rubescens_IBC Webpage Buff-bellied Pipit (Anthus rubescens). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Aquila_chrysaetos_IBC Webpage Golden Eagle (Aquila chrysaetos). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Archilochus_colubris_IBC Webpage Ruby-throated Hummingbird (Archilochus colubris). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Ardea_alba_IBC Webpage Great White Egret (Egretta alba). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Ardea_herodias_IBC Webpage Great Blue Heron (Ardea herodias). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Arenaria_interpres_IBC Webpage Ruddy Turnstone (Arenaria interpres). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Asio_flammeus_IBC Webpage Short-eared Owl (Asio flammeus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Asio_otus_IBC Webpage Northern Long-eared Owl (Asio otus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Aythya_affinis_IBC Webpage Lesser Scaup (Aythya affinis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Aythya_americana_IBC Webpage Redhead (Aythya americana). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Aythya_collaris_IBC Webpage Ring-necked Duck (Aythya collaris). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Aythya_marila_IBC Webpage Greater Scaup (Aythya marila). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Aythya_valisineria_IBC Webpage Canvasback (Aythya valisineria). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Baeolophus_bicolor_IBC Webpage Tufted Titmouse (Baeolophus bicolor). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Bartramia_longicauda_IBC Webpage Upland Sandpiper (Bartramia longicauda). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Bombycilla_cedrorum_IBC Webpage Cedar Waxwing (Bombycilla cedrorum). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Bonasa_umbellus_IBC Webpage Ruffed Grouse (Bonasa umbellus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Botaurus_lentiginosus_IBC Webpage North American Bittern (Botaurus lentiginosus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Branta_bernicla_IBC Webpage Brent Goose (Branta bernicla). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Branta_canadensis_IBC Webpage Canada Goose (Branta canadensis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Bubo_virginianus_IBC Webpage Great Horned Owl (Bubo virginianus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Bucephala_albeola_IBC Webpage Bufflehead (Bucephala albeola). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Bucephala_clangula_IBC Webpage Common Goldeneye (Bucephala clangula). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Buteo_jamaicensis_IBC Webpage Red-tailed Hawk (Buteo jamaicensis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Buteo_lagopus_IBC Webpage Rough-legged Buzzard (Buteo lagopus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Buteo_lineatus_IBC Webpage Red-shouldered Hawk (Buteo lineatus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Buteo_platypterus_IBC Webpage Broad-winged Hawk (Buteo platypterus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Butorides_virescens_IBC Webpage Green-backed Heron (Butorides striatus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Calcarius_lapponicus_IBC Webpage Lapland Longspur (Calcarius lapponicus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Calidris_alba_IBC Webpage Sanderling (Calidris alba). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Calidris_alpina_IBC Webpage Dunlin (Calidris alpina). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Calidris_bairdii_IBC Webpage Baird's Sandpiper (Calidris bairdii). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Calidris_fuscicollis_IBC Webpage White-rumped Sandpiper (Calidris fuscicollis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Calidris_himantopus_IBC Webpage Stilt Sandpiper (Micropalama himantopus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Calidris_melanotos_IBC Webpage Pectoral Sandpiper (Calidris melanotos). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Calidris_minutilla_IBC Webpage Least Sandpiper (Calidris minutilla). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Calidris_pusilla_IBC Webpage Semipalmated Sandpiper (Calidris pusilla). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Caprimulgus_carolinensis_IBC Webpage Chuck-will's-widow (Caprimulgus carolinensis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Caprimulgus_vociferus_IBC Webpage Whip-poor-will (Caprimulgus vociferus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Cardellina_canadensis_IBC Webpage Canada Warbler (Wilsonia canadensis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Cardellina_pusilla_IBC Webpage Wilson's Warbler (Wilsonia pusilla). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Haemorhous_purpureus_IBC Webpage Purple Finch (Carpodacus purpureus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Cathartes_aura_IBC Webpage Turkey Vulture (Cathartes aura). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Catharus_fuscescens_IBC Webpage Veery (Catharus fuscescens). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Catharus_guttatus_IBC Webpage Hermit Thrush (Catharus guttatus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Catharus_minimus_IBC Webpage Gray-cheeked Thrush (Catharus minimus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Catharus_ustulatus_IBC Webpage Swainson's Thrush (Catharus ustulatus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Certhia_americana_IBC Webpage American Treecreeper (Certhia americana). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Charadrius_semipalmatus_IBC Webpage Semipalmated Plover (Charadrius semipalmatus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Charadrius_vociferus_IBC Webpage Killdeer (Charadrius vociferus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Chen_caerulescens_IBC Webpage Snow Goose (Anser caerulescens). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Chlidonias_niger_IBC Webpage Black Tern (Chlidonias niger). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Chondestes_grammacus_IBC Webpage Lark Sparrow (Chondestes grammacus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Chroicocephalus_philadelphia_IBC Webpage Bonaparte's Gull (Larus philadelphia). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Circus_cyaneus_IBC Webpage Hen Harrier (Circus cyaneus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Cistothorus_palustris_IBC Webpage Marsh Wren (Cistothorus palustris). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Cistothorus_platensis_IBC Webpage Sedge Wren (Cistothorus platensis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Clangula_hyemalis_IBC Webpage Long-tailed Duck (Clangula hyemalis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Coccothraustes_vespertinus_IBC Webpage Evening Grosbeak (Hesperiphona vespertina). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Coccyzus_americanus_IBC Webpage Yellow-billed Cuckoo (Coccyzus americanus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Coccyzus_erythropthalmus_IBC Webpage Black-billed Cuckoo (Coccyzus erythropthalmus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Colinus_virginianus_IBC Webpage Northern Bobwhite (Colinus virginianus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Contopus_cooperi_IBC Webpage Olive-sided Flycatcher (Contopus cooperi). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Contopus_virens_IBC Webpage Eastern Wood-Pewee (Contopus virens). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Coragyps_atratus_IBC Webpage American Black Vulture (Coragyps atratus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Corvus_brachyrhynchos_IBC Webpage American Crow (Corvus brachyrhynchos). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Coturnicops_noveboracensis_IBC Webpage Yellow Rail (Coturnicops noveboracensis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Cygnus_columbianus_IBC Webpage Tundra Swan (Cygnus columbianus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Dolichonyx_oryzivorus_IBC Webpage Bobolink (Dolichonyx oryzivorus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Egretta_caerulea_IBC Webpage Little Blue Heron (Egretta caerulea). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Egretta_thula_IBC Webpage Snowy Egret (Egretta thula). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Egretta_tricolor_IBC Webpage Tricolored Heron (Egretta tricolor). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Empidonax_alnorum_IBC Webpage Alder Flycatcher (Empidonax alnorum). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Empidonax_flaviventris_IBC Webpage Yellow-bellied Flycatcher (Empidonax flaviventris). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Empidonax_minimus_IBC Webpage Least Flycatcher (Empidonax minimus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Empidonax_virescens_IBC Webpage Acadian Flycatcher (Empidonax virescens). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Eremophila_alpestris_IBC Webpage Horned Lark (Eremophila alpestris). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Euphagus_carolinus_IBC Webpage Rusty Blackbird (Euphagus carolinus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Falco_columbarius_IBC Webpage Merlin (Falco columbarius). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Falco_peregrinus_IBC Webpage Peregrine Falcon (Falco peregrinus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Falco_sparverius_IBC Webpage American Kestrel (Falco sparverius). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Fulica_americana_IBC Webpage American Coot (Fulica americana). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Gallinago_delicata_IBC Webpage Common Snipe (Gallinago gallinago). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Gallinula_galeata_IBC Webpage Common Moorhen (Gallinula chloropus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Gavia_immer_IBC Webpage Great Northern Diver (Gavia immer). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Gavia_stellata_IBC Webpage Red-throated Diver (Gavia stellata). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Gelochelidon_nilotica_IBC Webpage Gull-billed Tern (Gelochelidon nilotica). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Geothlypis_formosa_IBC Webpage Kentucky Warbler (Oporornis formosus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Geothlypis_philadelphia_IBC Webpage Mourning Warbler (Oporornis philadelphia). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Helmitheros_vermivorum_IBC Webpage Worm-eating Warbler (Helmitheros vermivorum). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Hydroprogne_caspia_IBC Webpage Caspian Tern (Hydroprogne caspia). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Hylocichla_mustelina_IBC Webpage Wood Thrush (Hylocichla mustelina). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Icteria_virens_IBC Webpage Yellow-breasted Chat (Icteria virens). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Icterus_spurius_IBC Webpage Orchard Oriole (Icterus spurius). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Junco_hyemalis_IBC Webpage Dark-eyed Junco (Junco hyemalis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Lanius_excubitor_IBC Webpage Great Grey Shrike (Lanius excubitor). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Lanius_ludovicianus_IBC Webpage Loggerhead Shrike (Lanius ludovicianus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Larus_argentatus_IBC Webpage Herring Gull (Larus argentatus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Larus_delawarensis_IBC Webpage Ring-billed Gull (Larus delawarensis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Leucophaeus_atricilla_IBC Webpage Laughing Gull (Larus atricilla). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Limnodromus_griseus_IBC Webpage Short-billed Dowitcher (Limnodromus griseus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Lophodytes_cucullatus_IBC Webpage Hooded Merganser (Mergus cucullatus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Loxia_curvirostra_IBC Webpage Red Crossbill (Loxia curvirostra). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Loxia_leucoptera_IBC Webpage Two-barred Crossbill (Loxia leucoptera). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Megascops_asio_IBC Webpage Eastern Screech-Owl (Otus asio). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Melanerpes_carolinus_IBC Webpage Red-bellied Woodpecker (Melanerpes carolinus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Melanerpes_erythrocephalus_IBC Webpage Red-headed Woodpecker (Melanerpes erythrocephalus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Melanitta_fusca_IBC Webpage White-winged Scoter (Melanitta fusca). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Melanitta_perspicillata_IBC Webpage Surf Scoter (Melanitta perspicillata). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Meleagris_gallopavo_IBC Webpage Wild Turkey (Meleagris gallopavo). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Melospiza_georgiana_IBC Webpage Swamp Sparrow (Melospiza georgiana). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Melospiza_lincolnii_IBC Webpage Lincoln's Sparrow (Melospiza lincolnii). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Mergus_merganser_IBC Webpage Goosander (Mergus merganser). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Mniotilta_varia_IBC Webpage Black-and-white Warbler (Mniotilta varia). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Mycteria_americana_IBC Webpage Wood Stork (Mycteria americana). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Myiarchus_crinitus_IBC Webpage Great Crested Flycatcher (Myiarchus crinitus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Nyctanassa_violacea_IBC Webpage Yellow-crowned Night-Heron (Nycticorax violaceus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Nycticorax_nycticorax_IBC Webpage Black-crowned Night-heron (Nycticorax nycticorax). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Oceanites_oceanicus_IBC Webpage Wilson's Storm-petrel (Oceanites oceanicus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Oporornis_agilis_IBC Webpage Connecticut Warbler (Oporornis agilis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Oreothlypis_celata_IBC Webpage Orange-crowned Warbler (Vermivora celata). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Oreothlypis_peregrina_IBC Webpage Tennessee Warbler (Vermivora peregrina). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Oreothlypis_ruficapilla_IBC Webpage Nashville Warbler (Vermivora ruficapilla). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Oxyura_jamaicensis_IBC Webpage Ruddy Duck (Oxyura jamaicensis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Parkesia_motacilla_IBC Webpage Louisiana Waterthrush (Seiurus motacilla). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Parkesia_noveboracensis_IBC Webpage Northern Waterthrush (Seiurus noveboracensis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Passer_domesticus_IBC Webpage House Sparrow (Passer domesticus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Passerculus_sandwichensis_IBC Webpage Savannah Sparrow (Passerculus sandwichensis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Passerella_iliaca_IBC Webpage Red Fox-sparrow (Passerella iliaca). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Passerina_caerulea_IBC Webpage Blue Grosbeak (Passerina caerulea). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Passerina_cyanea_IBC Webpage Indigo Bunting (Passerina cyanea). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Petrochelidon_pyrrhonota_IBC Webpage Cliff Swallow (Petrochelidon pyrrhonota). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Peucaea_aestivalis_IBC Webpage Bachman's Sparrow (Peucaea aestivalis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Phalacrocorax_auritus_IBC Webpage Double-crested Cormorant (Phalacrocorax auritus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Phalaropus_fulicarius_IBC Webpage Red Phalarope (Phalaropus fulicaria). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Phalaropus_lobatus_IBC Webpage Red-necked Phalarope (Phalaropus lobatus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Phalaropus_tricolor_IBC Webpage Wilson's Phalarope (Steganopus tricolor). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Phasianus_colchicus_IBC Webpage Ring-necked Pheasant (Phasianus colchicus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Pheucticus_ludovicianus_IBC Webpage Rose-breasted Grosbeak (Pheucticus ludovicianus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Pipilo_erythrophthalmus_IBC Webpage Eastern Towhee (Pipilo erythrophthalmus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Piranga_olivacea_IBC Webpage Scarlet Tanager (Piranga olivacea). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Piranga_rubra_IBC Webpage Summer Tanager (Piranga rubra). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Plectrophenax_nivalis_IBC Webpage Snow Bunting (Plectrophenax nivalis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Pluvialis_dominica_IBC Webpage American Golden Plover (Pluvialis dominica). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Pluvialis_squatarola_IBC Webpage Grey Plover (Pluvialis squatarola). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Podiceps_auritus_IBC Webpage Horned Grebe (Podiceps auritus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Podiceps_grisegena_IBC Webpage Red-necked Grebe (Podiceps grisegena). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Podilymbus_podiceps_IBC Webpage Pied-billed Grebe (Podilymbus podiceps). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Poecile_atricapillus_IBC Webpage Black-capped Chickadee (Poecile atricapillus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Poecile_carolinensis_IBC Webpage Carolina Chickadee (Poecile carolinensis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Polioptila_caerulea_IBC Webpage Blue-grey Gnatcatcher (Polioptila caerulea). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Pooecetes_gramineus_IBC Webpage Vesper Sparrow (Pooecetes gramineus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Porzana_carolina_IBC Webpage Sora (Porzana carolina). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Progne_subis_IBC Webpage Purple Martin (Progne subis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Protonotaria_citrea_IBC Webpage Prothonotary Warbler (Protonotaria citrea). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Rallus_elegans_IBC Webpage King Rail (Rallus elegans). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Rallus_limicola_IBC Webpage Virginia Rail (Rallus limicola). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Regulus_calendula_IBC Webpage Ruby-crowned Kinglet (Regulus calendula). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Regulus_satrapa_IBC Webpage Golden-crowned Kinglet (Regulus satrapa). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Riparia_riparia_IBC Webpage Collared Sand Martin (Riparia riparia). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Rynchops_niger_IBC Webpage Black Skimmer (Rynchops niger). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Sayornis_phoebe_IBC Webpage Eastern Phoebe (Sayornis phoebe). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Scolopax_minor_IBC Webpage American Woodcock (Scolopax minor). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Seiurus_aurocapilla_IBC Webpage Ovenbird (Seiurus aurocapilla). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_americana_IBC Webpage Northern Parula (Parula americana). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_caerulescens_IBC Webpage Black-throated Blue Warbler (Dendroica caerulescens). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_cerulea_IBC Webpage Cerulean Warbler (Dendroica cerulea). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_citrina_IBC Webpage Hooded Warbler (Wilsonia citrina). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_coronata_IBC Webpage Yellow-rumped Warbler (Dendroica coronata). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_discolor_IBC Webpage Prairie Warbler (Dendroica discolor). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_dominica_IBC Webpage Yellow-throated Warbler (Dendroica dominica). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_fusca_IBC Webpage Blackburnian Warbler (Dendroica fusca). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_kirtlandii_IBC Webpage Kirtland's Warbler (Dendroica kirtlandii). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_magnolia_IBC Webpage Magnolia Warbler (Dendroica magnolia). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_palmarum_IBC Webpage Palm Warbler (Dendroica palmarum). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_pensylvanica_IBC Webpage Chestnut-sided Warbler (Dendroica pensylvanica). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_pinus_IBC Webpage Pine Warbler (Dendroica pinus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_ruticilla_IBC Webpage American Redstart (Setophaga ruticilla). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_striata_IBC Webpage Blackpoll Warbler (Dendroica striata). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_tigrina_IBC Webpage Cape May Warbler (Dendroica tigrina). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Setophaga_virens_IBC Webpage Black-throated Green Warbler (Dendroica virens). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Sialia_sialis_IBC Webpage Eastern Bluebird (Sialia sialis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Sitta_canadensis_IBC Webpage Red-breasted Nuthatch (Sitta canadensis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Sphyrapicus_varius_IBC Webpage Yellow-bellied Sapsucker (Sphyrapicus varius). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Spinus_pinus_IBC Webpage Pine Siskin (Carduelis pinus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Spinus_tristis_IBC Webpage American Goldfinch (Carduelis tristis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Spiza_americana_IBC Webpage Dickcissel (Spiza americana). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Spizella_arborea_IBC Webpage American Tree Sparrow (Passerella arborea). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Spizella_passerina_IBC Webpage Chipping Sparrow (Spizella passerina). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Spizella_pusilla_IBC Webpage Field Sparrow (Spizella pusilla). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Stelgidopteryx_serripennis_IBC Webpage Northern Rough-winged Swallow (Stelgidopteryx serripennis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Sterna_forsteri_IBC Webpage Forster's Tern (Sterna forsteri). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Sterna_hirundo_IBC Webpage Common Tern (Sterna hirundo). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Sternula_antillarum_IBC Webpage Least Tern (Sterna antillarum). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Strix_varia_IBC Webpage Barred Owl (Strix varia). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Sturnus_vulgaris_IBC Webpage Common Starling (Sturnus vulgaris). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Tachycineta_bicolor_IBC Webpage Tree Swallow (Tachycineta bicolor). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Thryomanes_bewickii_IBC Webpage Bewick's Wren (Thryomanes bewickii). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Thryothorus_ludovicianus_IBC Webpage Carolina Wren (Thryothorus ludovicianus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Toxostoma_rufum_IBC Webpage Brown Thrasher (Toxostoma rufum). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Tringa_flavipes_IBC Webpage Lesser Yellowlegs (Tringa flavipes). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Tringa_melanoleuca_IBC Webpage Greater Yellowlegs (Tringa melanoleuca). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Tringa_semipalmata_IBC Webpage Willet (Catoptrophorus semipalmatus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Tringa_solitaria_IBC Webpage Solitary Sandpiper (Tringa solitaria). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Troglodytes_aedon_IBC Webpage Northern House Wren (Troglodytes aedon). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Troglodytes_hiemalis_IBC Webpage Northern Wren (Troglodytes troglodytes). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Tyrannus_forficatus_IBC Webpage Scissor-tailed Flycatcher (Tyrannus forficatus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Tyrannus_tyrannus_IBC Webpage Eastern Kingbird (Tyrannus tyrannus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Tyrannus_verticalis_IBC Webpage Western Kingbird (Tyrannus verticalis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Tyto_alba_IBC Webpage Common Barn-owl (Tyto alba). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Uria_lomvia_IBC Webpage Thick-billed Murre (Uria lomvia). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Vermivora_chrysoptera_IBC Webpage Golden-winged Warbler (Vermivora chrysoptera). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Vermivora_cyanoptera_IBC Webpage Blue-winged Warbler (Vermivora cyanoptera). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Vireo_flavifrons_IBC Webpage Yellow-throated Vireo (Vireo flavifrons). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Vireo_gilvus_IBC Webpage Warbling Vireo (Vireo gilvus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Vireo_griseus_IBC Webpage White-eyed Vireo (Vireo griseus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Vireo_olivaceus_IBC Webpage Red-eyed Vireo (Vireo olivaceus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Vireo_philadelphicus_IBC Webpage Philadelphia Vireo (Vireo philadelphicus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Vireo_solitarius_IBC Webpage Blue-headed Vireo (Vireo solitarius). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Xanthocephalus_xanthocephalus_IBC Webpage Yellow-headed Blackbird (Xanthocephalus xanthocephalus). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Zenaida_macroura_IBC Webpage American Mourning Dove (Zenaida macroura). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. . Oceanites_oceanicus_HBW Book Hoyo, Josep Del., Andrew Elliott, Jordi Sargatal, and José Cabot. "Wilson's Storm-petrel (Oceanites Oceanicus)." Handbook of the Birds of the World. Vol. 1. Barcelona: Lynx Edicions, 1992. 267. Print. Acanthis_flammea_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Accipiter_cooperii_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Accipiter_gentilis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Accipiter_striatus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Actitis_macularius_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Aegolius_acadicus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Agelaius_phoeniceus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Aix_sponsa_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Ammodramus_caudacutus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Ammodramus_henslowii_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Ammodramus_savannarum_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Anas_acuta_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Anas_americana_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Anas_clypeata_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Anas_crecca_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Anas_discors_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Anas_penelope_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Anas_platyrhynchos_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Anas_rubripes_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Anas_strepera_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Anthus_rubescens_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Aquila_chrysaetos_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Archilochus_colubris_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Ardea_alba_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Ardea_herodias_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Arenaria_interpres_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Asio_flammeus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Asio_otus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Aythya_affinis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Aythya_americana_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Aythya_collaris_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Aythya_marila_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Aythya_valisineria_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Baeolophus_bicolor_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Bartramia_longicauda_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Bombycilla_cedrorum_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Bonasa_umbellus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Botaurus_lentiginosus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Branta_bernicla_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Branta_canadensis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Bubo_virginianus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Bucephala_albeola_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Bucephala_clangula_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Buteo_jamaicensis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Buteo_lagopus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Buteo_lineatus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Buteo_platypterus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Butorides_virescens_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Calcarius_lapponicus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Calidris_alba_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Calidris_alpina_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Calidris_bairdii_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Calidris_fuscicollis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Calidris_himantopus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Calidris_melanotos_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Calidris_minutilla_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Calidris_pusilla_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Caprimulgus_carolinensis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Caprimulgus_vociferus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Cardellina_canadensis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Cardellina_pusilla_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Haemorhous_purpureus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Cathartes_aura_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Catharus_fuscescens_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Catharus_guttatus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Catharus_minimus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Catharus_ustulatus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Certhia_americana_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Charadrius_semipalmatus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Charadrius_vociferus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Chen_caerulescens_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Chlidonias_niger_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Chondestes_grammacus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Chroicocephalus_philadelphia_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Circus_cyaneus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Cistothorus_palustris_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Cistothorus_platensis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Clangula_hyemalis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Coccothraustes_vespertinus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Coccyzus_americanus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Coccyzus_erythropthalmus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Colinus_virginianus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Contopus_cooperi_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Contopus_virens_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Conuropsis_carolinensis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Coragyps_atratus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Corvus_brachyrhynchos_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Coturnicops_noveboracensis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Cygnus_columbianus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Dolichonyx_oryzivorus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Ectopistes_migratorius_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Egretta_caerulea_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Egretta_thula_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Egretta_tricolor_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Empidonax_alnorum_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Empidonax_flaviventris_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Empidonax_minimus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Empidonax_virescens_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Eremophila_alpestris_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Euphagus_carolinus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Falco_columbarius_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Falco_peregrinus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Falco_sparverius_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Fulica_americana_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Gallinago_delicata_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Gallinula_galeata_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Gavia_immer_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Gavia_stellata_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Gelochelidon_nilotica_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Geothlypis_formosa_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Geothlypis_philadelphia_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Helmitheros_vermivorum_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Hydroprogne_caspia_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Hylocichla_mustelina_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Icteria_virens_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Icterus_spurius_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Junco_hyemalis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Lanius_excubitor_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Lanius_ludovicianus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Larus_argentatus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Larus_delawarensis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Leucophaeus_atricilla_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Limnodromus_griseus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Lophodytes_cucullatus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Loxia_curvirostra_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Loxia_leucoptera_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Megascops_asio_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Melanerpes_carolinus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Melanerpes_erythrocephalus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Melanitta_fusca_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Melanitta_perspicillata_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Meleagris_gallopavo_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Melospiza_georgiana_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Melospiza_lincolnii_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Mergus_merganser_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Mniotilta_varia_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Mycteria_americana_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Myiarchus_crinitus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Nyctanassa_violacea_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Nycticorax_nycticorax_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Oceanites_oceanicus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Oporornis_agilis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Oreothlypis_celata_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Oreothlypis_peregrina_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Oreothlypis_ruficapilla_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Oxyura_jamaicensis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Parkesia_motacilla_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Parkesia_noveboracensis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Passer_domesticus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Passerculus_sandwichensis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Passerella_iliaca_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Passerina_caerulea_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Passerina_cyanea_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Petrochelidon_pyrrhonota_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Peucaea_aestivalis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Phalacrocorax_auritus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Phalaropus_fulicarius_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Phalaropus_lobatus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Phalaropus_tricolor_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Phasianus_colchicus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Pheucticus_ludovicianus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Pipilo_erythrophthalmus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Piranga_olivacea_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Piranga_rubra_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Plectrophenax_nivalis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Pluvialis_dominica_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Pluvialis_squatarola_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Podiceps_auritus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Podiceps_grisegena_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Podilymbus_podiceps_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Poecile_atricapillus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Poecile_carolinensis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Polioptila_caerulea_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Pooecetes_gramineus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Porzana_carolina_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Progne_subis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Protonotaria_citrea_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Rallus_elegans_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Rallus_limicola_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Regulus_calendula_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Regulus_satrapa_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Riparia_riparia_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Rynchops_niger_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Sayornis_phoebe_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Scolopax_minor_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Seiurus_aurocapilla_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_americana_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_caerulescens_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_cerulea_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_citrina_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_coronata_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_discolor_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_dominica_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_fusca_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_kirtlandii_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_magnolia_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_palmarum_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_pensylvanica_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_pinus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_ruticilla_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_striata_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_tigrina_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Setophaga_virens_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Sialia_sialis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Sitta_canadensis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Sphyrapicus_varius_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Spinus_pinus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Spinus_tristis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Spiza_americana_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Spizella_arborea_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Spizella_passerina_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Spizella_pusilla_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Stelgidopteryx_serripennis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Sterna_forsteri_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Sterna_hirundo_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Sternula_antillarum_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Strix_varia_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Sturnus_vulgaris_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Tachycineta_bicolor_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Thryomanes_bewickii_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Thryothorus_ludovicianus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Toxostoma_rufum_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Tringa_flavipes_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Tringa_melanoleuca_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Tringa_semipalmata_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Tringa_solitaria_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Troglodytes_aedon_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Troglodytes_hiemalis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Tympanuchus_cupido_cupido_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Tyrannus_forficatus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Tyrannus_tyrannus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Tyrannus_verticalis_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Tyto_alba_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Uria_lomvia_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Vermivora_chrysoptera_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Vermivora_cyanoptera_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Vireo_flavifrons_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Vireo_gilvus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Vireo_griseus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Vireo_olivaceus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Vireo_philadelphicus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Vireo_solitarius_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Xanthocephalus_xanthocephalus_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Zenaida_macroura_PET Book Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print. Aythya_affinis_SIB Book Sibley, Daid Allen. The Sibley Guide to Birds, 2nd Edition. New York: Alfred A, Knopf, 2014. Print. Aythya_marila_SIB Book Sibley, Daid Allen. The Sibley Guide to Birds, 2nd Edition. New York: Alfred A, Knopf, 2014. Print. Bombycilla_cedrorum_SIB Book Sibley, Daid Allen. The Sibley Guide to Birds, 2nd Edition. New York: Alfred A, Knopf, 2014. Print. Buteo_platypterus_SIB Book Sibley, Daid Allen. The Sibley Guide to Birds, 2nd Edition. New York: Alfred A, Knopf, 2014. Print. Butorides_virescens_SIB Book Sibley, Daid Allen. The Sibley Guide to Birds, 2nd Edition. New York: Alfred A, Knopf, 2014. Print. Calidris_himantopus_SIB Book Sibley, Daid Allen. The Sibley Guide to Birds, 2nd Edition. New York: Alfred A, Knopf, 2014. Print. Haemorhous_purpureus_SIB Book Sibley, Daid Allen. The Sibley Guide to Birds, 2nd Edition. New York: Alfred A, Knopf, 2014. Print. Clangula_hyemalis_SIB Book Sibley, Daid Allen. The Sibley Guide to Birds, 2nd Edition. New York: Alfred A, Knopf, 2014. Print. Gallinula galeata_SIB Book Sibley, Daid Allen. The Sibley Guide to Birds, 2nd Edition. New York: Alfred A, Knopf, 2014. Print. Tympanuchus_cupido_cupido_WIKI Webpage Heath Hen (Tympanuchus cupido cupido). Wikipedia. n.d. 24 May 2016