New research has finally resolved the matter, with the Gang-gang Cockatoo being recognized as a distinctive early offshoot of the calyptorhynchine (dark) cockatoos (Brown & Toft, 1999). This has always been controversial due to the unusual appearance and coloration of the bird, especially its sexual dichromatism. This species was most often allied with the white cockatoos of the genus Cacatua. Lots of older, hollow trees and loss of feeding habitat across south-eastern Australia through land clearing has led to a significant reduction in the numbers of this cockatoo in recent years. Unlike most other cockatoos, Gang-gangs nest in young, solid trees, the females using their strong bills to excavate nesting cavities. It is possible both language groups called it that. The name Gang-gang comes from a New South Wales Aboriginal language, either Ngunnawal or Wiradjuri. It is easily identified by its distinctive call, which is described as resembling a creaky gate, or the sound of a cork being pulled from a wine bottle. The Gang-gang Cockatoo is the faunal emblem of the Australian Capital Territory. It ranges throughout south-eastern Australia and Tasmania. Mostly mid grey in colour with some lighter scalloping (more pronounced and buffish in females) the male has a red head and crest, while the female has a small fluffy grey crest. Gang Gang Cockatoos The Gang-gang Cockatoo, Callocephalon fimbriatum, is found in the cooler and wetter forests and woodlands of Australia, particularly alpine bushland.
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