The orangutan is in the Primate order and the Mammalia class, as well as being a member of the Pongidae Family and the Pongo and Pygmaeus Genus species. Male orangutans weigh up to 198 pounds, while females weigh up to 110 pounds. They eat fruit, leaves, bark, flowers, nuts and occasionally insects and small mammals. They can live for up to fifty years, and are at home in the primary lowland swamp in Borneo and the Montane forest in northern Sumatra, Indonesia. Orangutans are listed as endangered by theU.S.F.W.S.