These adaptable primates store fat in their tails and hind ... Females are inactive during this time and may not leave their tree holes. During the same season, however, males are more active.

Bald uakaris are small South American primates with striking bald heads ... but move nimbly in the trees without them by using their arms and legs. These New World monkeys live in groups called ...

Hikers searched a forest near Puducherry at night and found some at-risk primates in a first-of-its-kind sighting, a study said. Photo from P. Aravind Aathi via Mani, Aathi, Sivakumar, Bystrom and ...