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
Territory of Papua and New Guinea British New Guinea, was annexed outright on 4 September 1888 and possession passed to the newly federated Commonwealth of Australia in 1902 and British New Guinea became the Australian Territory of Papua, with Australian administration beginning in 1906. The Australian Naval and Military Expeditionary Force seized German New Guinea and the neighbouring islands of the Bismarck Archipelago for the Allies in 1914, during the early stages of the First World War. At the 1919 Paris Peace Conference following the war, Australian Prime Minister Billy Hughes sought to secure possession of New Guinea from the defeated German Empire: telling the Conference: