Powerful jaws with 32 teeth, arranged to give a nutcracker effect between back teeth. Cheek pouches can hold about one stomach-sized amount of food. These pouches extend down side of neck. Lives in groups of 5-25 individuals usually with an older male as leader. Each group has a well-defined social order where each member has a specific rank.
Rank order can change with age or as animals join or leave troop.
Males establish hierarchy based on outcome of competitive interaction. Offspring of dominant female tend to inherit high rank. All Rights reserved.