The fifth episode in the New Guinea series of Mongabay Explores looks at the various tree kangaroo species of New Guinea and their potential to drive conservation and income streams for local communities. Listen here: Occupying the cloud forests of New Guinea, these montane marsupials are as distinct as the island itself, the world’s second-largest and home to the third-largest expanse of tropical rainforest. New Guinea is also notable for having the tallest mountain on an island in the world, Puncak Jaya at 4,884 meters (16,024 feet). As such, New Guinea has become an isolated evolutionary ba…