Head and body length: 44 - 63 cm, tail: 40 - 76 cm
5.3 - 10.2 kg
Estimated at 1,200
Gallery forest, Acacia woodland and dry forest along the lower part of Kenya's Tana River floodplain
Trees, please. The Tana river crested mangabey needs trees, and it finds them in the sparse patches of gallery forest growing along the only river where it lives. The social monkey spends relatively little time up in the branches, but groups scour the forest floor for food that drops from or is sheltered by the trees. These mangabey groups consist of numerous females, their offspring and up to about six adult males. However the trees on which their precarious existence depends are falling fast due to timber extraction, agriculture, forest fires and changes to the flow of the river. As the forest disappears, can the mangabey be far behind?