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Red-tailed black cockatoo
The red-tailed black cockatoo (''Calyptorhynchus banksii'') also known as Banksian- or Banks' black cockatoo, is a large black cockatoo native to Australia. Adult males have a characteristic pair of bright red panels on the tail that gives the species its name. It is more common in the drier parts of the continent. Five subspecies are recognised, differing most significantly in beak size. Although the more northerly subspecies are widespread, the two southern subspecies, the forest red-tailed black cockatoo and the south-eastern red-tailed black cockatoo are under threat.
The species is usually found in eucalyptus woodlands, or along water courses. In the more northerly parts of the country, these cockatoos are commonly seen in large flocks. They are seed eaters and cavity nesters, and as such depend on trees with fairly large diameters, generally ''Eucalyptus''. Populations in southeastern Australia are threatened by deforestation and other habitat alterations. Of the black cockatoos, the red-tailed is the most adaptable to aviculture,〔 although black cockatoos are much rarer and much more expensive in aviculture outside Australia.〔
==Taxonomy and naming==
The species complex was first described by the ornithologist John Latham in 1790 as ''Psittacus banksii'', commemorating English botanist Sir Joseph Banks. The red-tailed black cockatoo also has the distinction of being the first bird from Eastern Australia illustrated by a European, as a female, presumably collected at Endeavour River in north Queensland, was sketched by Banks' draughtsman Sydney Parkinson in 1770.〔Forshaw, p. 94〕 Narrowly predating Latham, English naturalist George Shaw described ''Psittacus magnificus'' from a specimen collected somewhere in the Port Jackson (now Sydney) region. For many years, the species was referred to as ''Calyptorhynchus magnificus'',〔Lendon, p. 64〕 proposed by Gregory Mathews in 1927 as Shaw's name had predated Latham's 1790 description. For several decades, Mathews' proposal was accepted by many authorities, although it was unclear whether the original Port Jackson reference had actually referred to the red-tailed black or, more likely, the glossy black cockatoo. In 1994, an application to conserve ''Calyptorhynchus banksii'' as the scientific name was accepted by the ICZN. The red-tailed black cockatoo is the type species of the genus ''Calyptorhynchus'',〔Forshaw, p. 55〕 the name of which is derived from the Greek ''calypto-''/καλυπτο- "hidden" and ''rhynchus''/ρυγχος "beak". The change was first made by Anselme Gaëtan Desmarest in 1826.
In 1827, Jennings proposed the name ''Psittacus niger'' for the bird. The binomial combination had already been used by Carolus Linnaeus for the lesser vasa parrot in 1758, and by Johann Friedrich Gmelin for the palm cockatoo in 1788; it was thus invalid even though both other species were already known by different names at the time. Alternate common names include ''Banks' black cockatoo'', ''Banksian black cockatoo'', or simply ''black cockatoo''.〔 Indigenous people of the central Cape York Peninsula have several names for the bird: ''(minha) pachang'' in Pakanh; ''(inh -) inhulg'' in Uw Oykangand; and ''(inh -) anhulg'' in Uw Olkola. (The bracketed prefix (''inh-'' or ''minha'') is a qualifier meaning 'meat' or 'animal'.) ''Ngarnarrh'' or ''KarnamarrTo'' are terms used by the Gunwinggu of Arnhem Land. In Central Australia, southwest of Alice Springs, the Pitjantjatjara term for the subspecies ''C. b. samueli'' is ''iranti''. ''Karrak'' is a Noongar term derived from the call for the southwestern race ''C. b. naso''. In the language of the Bungandidj of south-eastern South Australia and western Victoria this bird was called ''treen''.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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