115 pounds (52 kg); up to 4.5 feet (1.4 m) standing
90 pounds (40.5 kg); up to 4 feet (1.2 m) standing
Forests and savannas in western and central Africa
An average community has about 50 members-males, females, and offspring. Each group has a complex hierarchy that is headed by an "alpha male," or boss. The alpha male is usually the smartest male ape, rather than the biggest.
Mostly fruit; other plants and some meat
Its strong bald brow
A baby chimpanzee weighs only two or three pounds at birth.