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
New Guinea singing dog YBP by the inundation of the Sahul Shelf. Fossil remains in Australia date to approximately 3,500 YBP and no dingo remains have been uncovered in Tasmania, therefore the dingo is estimated to have arrived in Australia at a time between 3,500-12,000 YBP. To reach Australia through the Malay Archipelago even at the lowest sea level of the Last Glacial Maximum, a journey of at least 50 km over open sea between ancient Sunda and Sahul was necessary, indicating that the dingo arrived by boat. In 2016, a literature review found that: The New Guinea singing dog is similar to the