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
Law of Papua New Guinea Australia, the Judicial Committee of the Imperial Privy Council, not being part of the common law of England, and indeed of the pre-independence courts of Papua New Guinea itself are not part of Papua New Guinea law; but decisions of the House of Lords, the English Court of Appeal, the English Queen's Bench and other English courts up until Papua New Guinea's independence are. The "customary law" portion of the "underlying law" was contemplated by the original framers of the Constitution as deriving from the regional customs of the country in the same way as the common law of England