Borneo Swingers is a term used to describe the orangutans of Borneo, an island in Southeast Asia. Orangutans are the only species of great ape found in Asia and are known for their intelligence and ability to swing from tree to tree. They are also the largest arboreal mammal in the world, meaning they spend most of their time in trees. Borneo Swingers is a term used to describe the orangutans of Borneo due to their unique ability to swing from tree to tree.