Animal-rights group released video footage that shows distressed baby macaques undergoing lab experiments ...

Add Yahoo as a preferred source to see more of our stories on Google. The videos, which were shared online, showed baby monkeys being crushed, burned, drowned, suffocated, impaled and mutilated. A ...

A group of male capuchin monkeys kidnapped baby howler monkeys – a different species – on a small island of Panama. Video shows the howler monkeys clinging to the male capuchin monkeys’ backs, but the ...

The youngster joins a troop of 22 monkeys ...

Punch, a plush-clutching Japanese baby monkey that has become a global online sensation, will celebrate his first birthday on Sunday as his zoo is flooded with fan letters from around the world.

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 ...