Physical Characteristics
The characteristics of chimpanzees shape includes arms that extend beyond the knees, opposable thumbs, and a prominent mouth. The skin on the face, ears, palms, and soles of the feet is bare, and the rest of the body is covered with brown to black hair.
Chimpanzees usually move on the ground, although during the day they mostly stay in trees, where they also sleep in makeshift nests made with vegetation. This species walks "on all four", but individuals can also walk on their legs for more than a kilometre. Young individuals sometimes swing from branch to branch.