Baboons inhabit tropical rain forests, savanna, semi-desert grassland, plateau mountains, low hills, plains or canyon cliffs. The main ground activities, but also climb trees to sleep or feed. [2] Good at swimming. Can cry out loud. During the day, they live in branches or caves and at night. Food includes all kinds of small animals and plants. Live in groups, with a dozen to a hundred people in each group. The main natural enemy is the leopard. There is no fixed breeding season, and each fetus gives birth to 1 offspring. Life expectancy in the wild is about 20 years. Mainly distributed in Africa, there are some species in Arabian Peninsula.