Plus, researchers could hear adult howler monkeys calling back and forth with the infants, who would sometimes try to crawl ...

A capuchin named Joker started the apparent trend, leading researchers to suspect "there was something a little quirky about ...

A group of white-faced capuchins on a remote island have started stealing infants from another primate species, and ...

By Shreya Dasgupta On a remote Panamanian island, researchers have observed for the very first time young male capuchin ...

One De Brazza’s monkey, a common squirrel monkey, three endangered cotton-top tamarins, and three white-faced saki monkeys were found dead at the Hong Kong Zoological and Botanical Gardens on ...

Zoo officials were investigating what caused the deaths of the monkeys, which included a De Brazza's Monkey, one Common Squirrel Monkey, three Cotton-top Tamarins and four White-faced Sakis ...