Scientific Name Saimiri sciureus Size 25 to 35 cm Source Its distribution covers the northern and western Amazon basin, eastern Bolivia, Peru and Ecuador, southern Colombia and Venezuela, the Guianas and western and northern Brazil. Habitat It lives in primary forests and secondary vegetation. You could see in the forest in swamps, bamboo forests, mangroves. In trees showing preference for a height of 4 to 20 meters above ground. Food It feeds on invertebrates and small vertebrates. Features He keeps in groups that may have reached up to 35 individuals, some authors consider these groups of up to forty squirrel monkey. It is common to see groups of squirrel monkeys moving along to other species of primates and birds forage together.