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The cockatiel is alternatively placed basal to all other cockatoo species, [13] [23] as the sister taxon to the black cockatoo species of the genus Calyptorhynchus [16] [22] [24] or as the sister taxon to a clade consisting of the white and pink cockatoo genera as well as the palm cockatoo. [14]
Sulphur-crested cockatoos are 44–55 cm (17.5–21.5 in) long, [6] with the Australian subspecies larger than subspecies from New Guinea and nearby islands. The plumage is overall white, while the underwing and -tail are tinged yellow. The expressive crest is yellow. The bill is black, the legs are grey, and the eye-ring is whitish.
There are 21 species of cockatoos, [4] with the greater sulphur-crested cockatoo belonging to the genus Cacatua, the white cockatoos, of which there are 11 species. [4] Of the four subspecies, it is most closely related to the Mathews' cockatoo. Many of their genetic traits cannot be distinguished as exclusive to either one subspecies, and ...
Cacatua sp - MHNT. Cacatua is a genus of cockatoos found from the Philippines, Indonesia, Papua New Guinea, Solomon Islands to Australia.They have a primarily white plumage (in some species tinged pinkish or yellow), an expressive crest, and a black (subgenus Cacatua) or pale (subgenus Licmetis) bill.
The little corella is a small white cockatoo growing to 35–41 cm (14–16 in) in length and weighs 370–630 g (13–22 oz), with a mean weight of 525 g (1.157 lb). [ 5 ] [ 6 ] It is similar in appearance to both the long-billed corella and the western corella , but the little corella is smaller, and unlike either of those species, it has ...
In the 18th century, yellow-crested cockatoos were imported into Europe as pets and these birds were described by various naturalists. In 1738 English naturalist Eleazar Albin included a description and illustration of the "Cockatoo or White crested parrot" in his A Natural History of Birds based on a bird displayed at "The Tiger" tavern on Tower Hill in London. [7]
Carnaby's black cockatoo (Zanda latirostris), also known as the short-billed black cockatoo, is a large black cockatoo endemic to southwest Australia. It was described in 1948 by naturalist Ivan Carnaby. Measuring 53–58 cm (21–23 in) in length, it has a short crest on the top of its head.
The salmon-crested cockatoo (Cacatua moluccensis), also known as the Moluccan cockatoo, is a cockatoo endemic to the Seram archipelago in eastern Indonesia. At a height of up to 46–52 centimetres (1.51–1.71 ft) and weight of up to 850 grams (1.87 lb), it is among the largest of the white cockatoos. The female is slightly smaller than the ...