The name “colobus” is derived from the Greek word for “mutilated,” because unlike other monkeys, colobus monkeys do not have thumbs. Their beautiful black fur strongly contrasts with the long white mantle, whiskers, bushy tail, and beard around the face.

What is a colobus monkey called?

Black-and-white colobuses (or colobi) are Old World monkeys of the genus Colobus, native to Africa.

Why do colobus monkeys have no thumbs?

It is often a misconception that colobus monkeys don't have thumbs. This is not the case, but their thumbs are just really small and do not provide any function. ... Since colobus monkeys are considered the most arboreal (tree-dwelling) monkey species, they spend a lot of time swinging through the trees.