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A kangaroo is any of several large macropods (the marsupial family that also includes the wallabies, tree-kangaroos, wallaroos, pademelons and the Quokka: 63 species in all). The term kangaroo is sometimes used in a broader sense to refer to all members of the macropod family. Kangaroos are endemic to the continent of Australia, while tree-kangaroos are found on both Australia and New Guinea.