The unfeathered bird

Part One. Generic. The trunk

The head and neck

The hind limbs

The wings and tail

Part Two. Specific. I. Accipitres. Vultures

Birds of prey

Owls

II. Picae. Parrots

Turacos and others

Kingfishers

Hornbills and allies

Toucans and barbets

Woodpeckers

Hummingbirds

III. Anseres. Waterfowl / domestic waterfowl

Penguins

Loons

Grebes

Albatrosses, petrels, and storm petrels

Tropicbirds and frigatebirds

Pelicans

Gannets

Cormorants and darters

Gulls, terns, skimmers, and skuas

Auks

IV. Grallae. Flamingos

Herons

Shoebill

Storks, ibises, and spoonbills

Cranes

Rails

Kagu

Waders

V. Gallinae. Gamebirds / domestic fowl

Screamers

Hoatzin

Ostrich, kiwis, and other ratites

Tinamous

Bustards

Sandgrouse

Dodo and solitaire

VI. Passeres. Pigeons / domestic pigeons

Nightjars

Swifts

Passerines.