Introduction -- Ducks, Geese, and Swans -- New World Quail -- Curassows and Guans -- Partridges, Grouse, Turkeys, and Old World Quail -- Grebes -- Flamingos -- Pigeons and Doves -- Cuckoos, Roadrunners, and Anis -- Goatsuckers -- Swifts -- Hummingbirds -- Limpkin -- Rails, Gallinules, and Coots -- Cranes -- Stilts and Avocets -- Oystercatchers -- Lapwings and Plovers -- Jacanas -- Sandpipers -- Skuas and Jaegers -- Auks, Murres, and Puffins -- Gulls, Terns, and Skimmers -- Tropicbirds -- Loons -- Albatrosses -- Shearwaters and Petrels -- Storm-Petrels -- Storks -- Frigatebirds -- Boobies and Gannets -- Cormorants -- Darters -- Pelicans -- Herons, Bitterns, and Allies -- Ibises and Spoonbills -- New World Vultures -- Osprey -- Hawks, Kites, Eagles, and Allies -- Barn Owls and Typical Owls -- Trogons -- Kingfishers -- Woodpeckers and Allies -- Caracaras and Falcons -- Old World Parrots -- African and New World Parrots -- Tyrant Flycatchers -- Becards, Tityras, and Allies -- Shrikes -- Vireos -- Crows and Jays -- Larks -- Swallows -- Chickadees and Titmice -- Penduline Tits and Verdins -- Long-tailed Tits and Bushtits -- Nuthatches -- Creepers -- Wrens -- Gnatcatchers and Gnatwrens -- Dippers -- Kinglets -- Sylviid Warblers -- Leaf Warblers -- Grasshopper-Warblers -- Old World Flycatchers and Chats -- Thrushes -- Mockingbirds and Thrashers -- Bulbuls -- Starlings -- Waxwings -- Silky-flycatchers -- Olive Warbler -- Accentors -- Indigobirds and Whydahs -- Weavers -- Estrildid Finches -- Old World Sparrows -- Wagtails and Pipits -- Fringilline and Cardueline Finches and Allies -- Longspurs and Snow Buntings -- Wood-Warblers -- Western Spindalis (Incertae sedis) -- Tanagers -- Emberizids -- Cardinals and Allies -- Blackbirds -- Accidentals and Extinct Species -- Subspecies Maps -- Appendix: AOS (NACC) and ABA Checklist Differences : Greenland and Bermuda.