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The numbat - a small and little-known Australian marsupial - is one of the world's most endangered animals.

The smaller numbat, once widespread, clings on in only a few colonies in Western Australia.

The white and the black cockatoo are common to the three colonies, as are many kinds of the smaller parrots, the kangaroo, and the kangaroo-rat, the numbat, the opossum, the native cat, and many others.