Fauna of New Guinea Guinea. However, the tree-kangaroos, which are mostly endemic to New Guinea, are different in appearance and behaviour. As suggested by their name, they are arboreal. They have long, thick tails which enable them to balance in trees, and large, strong forearms for gripping to trees. Two species of tree kangaroos are also found in Australia, they are believed to have migrated from New Guinea during the Pleistocene. The cuscus, family Phalangeridae, are a family of marsupials closely related to the possums of Australia. The cuscus have evolved in New Guinea, and are found throughout the island. Most species are dark
Fauna of New Guinea New Guinea The number of higher taxa falls with greater distance from New Guinea, with the age of island groups In some. The insect faunas of New Guinea and New Zealand interchanged through New Caledonia not Australia. There is no comprehensive overview on the insect fauna of New Guinea but a bibliography is available There may be 300,000 - 100,000 species and Papua New Guinea ranks 12th in the world in terms of endemism of large butterflies. The Papua Insects Foundation provides an expert resource Notable endemic insect species include "Ornithoptera paradisea", "Ornithoptera chimaera", "Papilio weymeri", "Graphium weiskei", "Ideopsis hewitsonii",