Aves birds have feathers, no teeth, modified forelimbs (wings), can regulate their body temperature and have land adapted eggs with shells (current theories place birds in a separate group -- the Archosauria along with dinosaurs, crocodiles & their relatives).-- [ToL | ucmp | ummzADW | links | Sibley and Monroe catalogue ] Anseriformes ducks, geese, swans [ummzADW | links] Apodiformes hummingbirds and swifts [ummzADW | links] Apterygiformes kiwis [ummzADW | links ] Caprimulgiformes goatsuckers and nighthawks [ummzADW | links ] Charadriiformes shore birds, auks, gulls, terns, plovers, sandpipers [ummzADW | links] Ciconiiformes herons, bitterns, ibises, storks [ummzADW | links] Coliiformes mousebirds Columbiformes doves and pigeons [ummzADW] Coraciiformes rollers and kingfishers [ummzADW | links] Cuculiformes cuckoos [ummzADW | links] Dinornithiformes Extinct Moa [links] Falconiformes falcons, hawks, vultures, osprey [ummzADW | links] Galliformes fowl, quail, chicken, junglefowl, turkey), pheasant) [ummzADW | links] Gaviiformes divers and loons [ummzADW | links] Gruiformes cranes, rails, coots, moorhens, gallinules [ummzADW | links] Musophagiformes turacos Pelecaniformes cormorants, frigatebirds, gannets, boobies, pelicans [ummzADW | links] Phoenocopteriformes flamingos [ummzADW] Piciformes woodpeckers, toucans [ummzADW | links] Podicipediformes grebes [ummzADW | links] Procellariiformes albatrosses, fulmars, shearwaters and petrels [ummzADW | links ] Psittaciformes parrots [ummzADW | links] Rheiformes rheas [ummzADW | links] Sphenisciformes penguins [ummzADW | links] Strigiformes owls [ummzADW | links] Struthioniformes cassowaries, emus, kiwis, ostriches, rheas [ummzADW | links 1 | links 2] Tinamiformes tinamous [ummzADW] Trogoniformes trogons [ummzADW] Passeriformes passerines, perching birds, song birds [ToL | ummzADW | Links] Tyrannidae Flycatchers [ummzADW] Eurylaimidae Broadbills [ummzADW] Alaudidae Larks [ummzADW] Hirundinidae Swallows and Martins [ummzADW] Corvidae Ravens, Crows & Jays [ummzADW] Paridae Titmice and Chickadees [ummzADW] Sittidae Nuthatches [ummzADW] Certhiidae Creepers [ummzADW] Pycnonotidae Bulbuls [ummzADW] Troglodytidae Wrens [ummzADW] Mimidae Mockingbirds and Thrashers [ummzADW] Turdidae Thrushes -- Bluebirds & Robins [ummzADW] Regulidae Kinglets, etc. [ummzADW] Motacillidae Pipets, etc. [ummzADW] Bombycillidae Waxwings [ummzADW] Laniidae Shrikes [ummzADW] Sturnidae Starlings [ummzADW] Vireonidae Vireos [ummzADW] Cardinalidae Cardinals, Grosbeaks and Allies [ummzADW] Ploceidae Weaver Finches [ummzADW] Fringillidae Finches [ummzADW] Thraupidae Tanagers [ummzADW] Emberizidae Buntings and New world sparrows [ummzADW] Parulidae Wood Warblers [ummzADW] Icteridae Blackbirds, Orioles [ummzADW]