Some species have widespread distributions , with the galah , for example , occurring over most of Australia , whereas other species have tiny distributions , confined to a small part of the continent , such as the Baudin 's black cockatoo of Western Australia or to a small island group , such as the Tanimbar corella , which is restricted to the Tanimbar Islands of Indonesia .
Some species have widespread distributions , with the Galah , for example , occurring over most of Australia , whereas other species have tiny distributions , confined to a small part of the continent , such as the Long-billed Black Cockatoo of Western Australia or to a small island group , such as the Tanimbar Corella , which is restricted to the Tanimbar Islands of Indonesia .