The Siberut macaque lives only on Siberut Island in Indonesia. It eats mainly fruit and travels both in trees and on the ground.
Its face is long and narrow, and its coat can include shades from light tan to dark brown and black. Some individuals have pale facial tufts.
It eats mostly fruit and uses both the ground and the trees. Researchers have also reported long-distance travel through the island's forest.
An extinction-risk assessment has not been added yet.