Anseriformes

Anatidae (Ducks, Geese, and Waterfowl)

Galliformes

Odontophoridae (New World Quail)
Phasianidae (Pheasants, Grouse, and Allies)

Podicipediformes

Podicipedidae (Grebes)

Columbiformes

Columbidae (Pigeons and Doves)

Cuculiformes

Cuculidae (Cuckoos)

Caprimulgiformes

Caprimulgidae (Nightjars and Allies)
Apodidae (Swifts)
Trochilidae (Hummingbirds)

Gruiformes

Rallidae (Rails, Gallinules, and Coots)
Gruidae (Cranes)

Charadriiformes

Recurvirostridae (Stilts and Avocets)
Haematopodidae (Oystercatchers)
Charadriidae (Plovers and Lapwings)
Scolopacidae (Sandpipers and Allies)
Alcidae (Auks, Murres, and Puffins)
Laridae (Gulls, Terns, and Skimmers)

Gaviiformes

Gaviidae (Loons)

Procellariiformes

Diomedeidae (Albatrosses)
Procellariidae (Shearwaters and Petrels)

Ciconiiformes

Ciconiidae (Storks)

Suliformes

Fregatidae (Frigatebirds)
Anhingidae (Anhingas)
Phalacrocoracidae (Cormorants and Shags)

Pelecaniformes

Pelecanidae (Pelicans)
Ardeidae (Herons, Egrets, and Bitterns)
Threskiornithidae (Ibises and Spoonbills)

Cathartiformes

Cathartidae (New World Vultures)

Accipitriformes

Pandionidae (Osprey)
Accipitridae (Hawks, Eagles, and Kites)

Strigiformes

Tytonidae (Barn-Owls)
Strigidae (Owls)

Coraciiformes

Alcedinidae (Kingfishers)

Piciformes

Picidae (Woodpeckers)

Falconiformes

Falconidae (Falcons and Caracaras)

Passeriformes

Tyrannidae (Tyrant Flycatchers)
Vireonidae (Vireos, Shrike-Babblers, and Erpornis)
Laniidae (Shrikes)
Corvidae (Crows, Jays, and Magpies)
Paridae (Tits, Chickadees, and Titmice)
Alaudidae (Larks)
Hirundinidae (Swallows)
Regulidae (Kinglets)
Sittidae (Nuthatches)
Certhiidae (Treecreepers)
Polioptilidae (Gnatcatchers)
Troglodytidae (Wrens)
Cinclidae (Dippers)
Sturnidae (Starlings)
Mimidae (Mockingbirds and Thrashers)
Turdidae (Thrushes and Allies)
Bombycillidae (Waxwings)
Passeridae (Old World Sparrows)
Fringillidae (Finches, Euphonias, and Allies)
Calcariidae (Longspurs and Snow Buntings)
Passerellidae (New World Sparrows)
Icteridae (Troupials and Allies)
Parulidae (New World Warblers)
Cardinalidae (Cardinals and Allies)