Animals

Head and body length ranges from 28 to 33 inches in females and 30-36 inches in males. Height ranges from about 3-1/4 feet to 5-1/2 feet. Weight is from 99 pounds to 176 pounds. Captives may be heavier. Arm-spread is 50% greater than height. No tail. Face bare, skin pink in infancy darkening to black in adulthood. Baldness is frequent in adults, typically a triangle on the forehead of male, more extensive in females. Hair color is black. Infants have white tail tuft and older males (20 or over) may develop grey back patch.
Geographical range:
Western and Central Africa, north of river Zaire, from Senegal to Tanzania, from 14 degrees north to 10 degrees south. Humid forest, deciduous woodland or mixed savanna; presence in open areas depends on access to evergreen fruit-producing forest. Found from sea level to 6500 feet.