De Brazza's Monkey

De Brazza's monkey lives for about 22 years. It is a shy, territorial monkey that lives in small social groups. At the head of each social group is the strongest male, whose job is to protect his fellow group members.

De Brazza's monkey communicates with booming sounds, shaking tree branches, and a variety of facial expressions and movements (e.g. shaking its head when stressed out, or nodding with approval)