It's no secret that humans and primates share many common traits (and the vast majority of our DNA), but some monkey behaviors still leave scientists baffled. One of these behaviors was seen as ...

Observations of Coiba’s tool-using immature capuchin monkeys show them carrying abducted infant howler monkeys. What is the reason for this behavior? Vanessa Crooks Caught in the act! Capuchin monkeys ...

A baby spider monkey is starting a new chapter at the Oakland Zoo after she was rescued by authorities during a methamphetamine bust in Solano County earlier this month. On May 6, Solano County ...

On Jicarón Island, in the Coiba National Park, off the western Pacific coast of Panama, white-faced capuchin monkeys (Cebus capucinus imitator) are the subject of a long-term observational study that ...