The Angolan colobus, 1 of 5 species of black-and-white colobus that live in the forests of tropical Africa, live in a wide variety of habitats, including lowland, coastal, gallery, and montane forests. Although Nyungwe is the only forest in Africa where black and white colobus monkeys form extremely and unusually large super-groups, ranging up to 450 individuals. This number is larger than any other groups recorded for this species.
