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Calyptorhynchinae

Cockatoo
Cockatoo perching on a branch. Its plumage on the top of its head above its eyes is white and it has a horn-coloured beak. The rest of its head, its neck, and most of its front are pink. Its wings and tail are grey.
Galah in Australia.
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Psittaciformes
Superfamily: Cacatuoidea
Family: Cacatuidae
G. R. Gray 1840
Type genus
Cacatua Vieillot 1817
Genera

Probosciger
Callocephalon
Nymphicus
Calyptorhynchus
Eolophus
Lophochroa
Cacatua

Map showing southeastern Asia, Australia, Melanesia, and New Zealand. Islands in the Philippines and eastern Indonesia are colored red, east to the Solomon Islands, as is Australia with Tasmania. New Caledonia is colored blue.
Current range of cockatoos – red
Finds of recent fossils – blue
Synonyms

Probosciger
Callocephalon
Nymphicus
Calyptorhynchus
Eolophus
Lophochroa
Cacatua

A cockatoo is a parrot that is any of the 21 species belonging to the bird family Cacatuidae, the only family in the superfamily Cacatuoidea. Along with the Psittacoidea (true parrots) and the Strigopoidea (large New Zealand parrots), they make up the order Psittaciformes (parrots). The family has a mainly Australasian distribution, ranging from the Philippines and the eastern Indonesian islands of Wallacea to New Guinea, the Solomon Islands and Australia.

Cockatoos are recognisable by the showy crests and curved bills. Their plumage is generally less colourful than that of other parrots, being mainly white, grey or black and often with coloured features in the crest, cheeks or tail. On average they are larger than other parrots; however, the cockatiel, the smallest cockatoo species, is a small bird. The phylogenetic position of the cockatiel remains unresolved, other than that it is one of the earliest offshoots of the cockatoo lineage. The remaining species are in two main clades. The five large black coloured cockatoos of the genus Calyptorhynchus form one branch. The second and larger branch is formed by the genus Cacatua, comprising 11 species of white-plumaged cockatoos and four monotypic genera that branched off earlier; namely the pink and white Major Mitchell's cockatoo, the pink and grey galah, the mainly grey gang-gang cockatoo and the large black-plumaged palm cockatoo.


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