However, a wide range of plant, foods and insects are also eaten. The Orang-Utans Apes differ from other primates in a number of ways. Face is hairless with high forehead. Large cheek pads are found on the faces of males especially older males. Apes have a more upright posture and bear fewer offspring than other primates.
Apes also have very long arms, mobile wrists and have no tail.
The arms can attain a spread of 2.25m, and reach the ankles when the animals is erect.