Infraclass - Neognathae
Class: Aves
Infraclass: Neognathae
Name derivation: "new jaw"
Superorder:
- Order: Anseriformes (178 species - waterfowl: ducks, geese, swans, screamers)
- Order: Galliformes (302 species - landfowl: pheasants, grouse, quail, guans)
Clade: Neoaves
- Order: Accipitriformes (266 species - hawks, eagles, kites, vultures, osprey, secretarybird)
- Order: Apodiformes (497 species - hummingbirds, treeswifts, swifts, owlet-nightjars)
- Order: Bucerotiformes (74 species - hoopoes, hornbills)
- Order: Caprimulgiformes (121 species - nightjars, frogmouths, potoos, oilbird)
- Order: Cariamiformes (2 species - seriemas)
- Order: Charadriiformes (390 species - plovers, lapwings, murres, gulls, terns, sandpipers)
- Order: Ciconiiformes (19 species - storks)
- Order: Coliiformes (6 species - mousebirds)
- Order: Columbiformes (351 species - pigeons, doves)
- Order: Coraciiformes (184 species - motmots, kingfishers, rollers, todies, bee-eaters)
- Order: Cuculiformes (150 species - cuckoos)
- Order: Eurypygiformes (2 species - sunbittern, kagu)
- Order: Falconiformes (65 species - falcons, caracaras)
- Order: Gaviiformes (5 species - loons)
- Order: Gruiformes (188 species - rails, gallinules, coots, cranes)
- Order: Leptosomiformes (1 species - cuckoo-roller)
- Order: Mesitornithiformes (3 species - mesites)
- Order: Musophagiformes (23 species - turacos)
- Order: Opisthocomiformes (1 species - hoatzin)
- Order: Otidiformes (26 species - bustards)
- Order: Passeriformes (6533 species - perching birds)
- Order: Pelecaniformes (118 species - pelicans, herons, egrets, ibises, spoonbills)
- Order: Phaethontiformes (3 species - tropicbirds)
- Order: Phoenicopteriformes (6 species - flamingos)
- Order: Piciformes (449 species - barbets, toucans, honeyguides, woodpeckers, puffbirds, jacamars)
- Order: Podicipediformes (23 species - grebes)
- Order: Procellariiformes (147 species - albatrosses, petrels, shearwaters)
- Order: Psittaciformes (403 species - parrots, cockatoos)
- Order: Pterocliformes (16 species - sandgrouse)
- Order: Sphenisciformes (18 species - penguins)
- Order: Strigiformes (255 species - barn-owls, owls)
- Order: Suliformes (61 species - frigatebirds, boobies, gannets, cormorants, shags)
- Order: Trogoniformes (43 species - trogons)
Number of Families: 249
Number of Genus: 2,367
Number of known Species: 10,973 (162 extinct)
Earliest Fossil Record: Late Jurassic 160 mya
Habitat: Terrestrial, Marine, Freshwater
Size Range: 5 cm to 1.8 m
Notes: Taxonomy according to the International Ornithological Congress World Bird List Version 14.1