The nominate subspecies Cacatua galerita galerita has the largest range, occupying eastern and south-eastern Australia, from Cape York, south to Tasmania. It has also been introduced to south-western Australia and New Zealand. Cacatua galerita fitzroyi is found in northern Australia from the Fitzroy River in the north-west to the Gulf of Carpenteria in the north-east. Cacatua galerita eleonora is found only on the Aru Islands, Indonesia, while Cacatua galerita triton is found in New Guinea and surrounding islands, with introduced populations also inhabiting the islands of Seram Laut and Kai in the Moluccas and Palau Island in the central-western Pacific (2).
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