Primatologist Susan Perry of UCLA has spent much of the past 35 years studying the complex social lives of white-faced capuchin monkeys, at a field site she established in one of the remaining patches ...

Add Yahoo as a preferred source to see more of our stories on Google. This photo provided by researchers shows a baby howler monkey clinging onto a young adult male capuchin monkey on Jicarón Island, ...

Capuchin monkeys are mainly known for their intelligence and resourcefulness. However, scientists have come across a strange, new behavior among the primates: child abduction. Per Smithsonian, Zoë ...

In tourist hotspots around the world, monkeys steal phones, extort snacks, and rule streets like tiny crime bosses. At first ...

Howler infant number 5 on the back of a juvenile capuchin carrier, who is using stone tools at an anvil site in a stream bed. Usually, this behavior in females is described as adoption, thought to be ...

WASHINGTON – A baby howler monkey clung to the back of an older male monkey, its tiny fingers grasping fur. But they're not related and not even the same species. Scientists spotted surprising ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — A baby howler monkey clung ...