This leaf monkey is marked by a black crest and a two-toned tail. By day it leaps among forest trees and eats mainly leaves, along with fruit.
Its back is brownish gray and its underside is lighter. A distinct black crest rises on its head, and its tail is darker above than below.
It is active by day and leaps between branches in the forest understory. Fruit and young leaves are its main foods; it also eats seeds and flowers.
An extinction-risk assessment has not been added yet.