Young, male capuchin monkeys have started kidnapping the babies of nearby howler monkeys. Why? Maybe boredom.

White-faced capuchin monkeys on Jicarón Island have started abducting baby howler monkeys, surprised scientists report. It’s possible this behavior comes in waves, but it had not been detected ...

Baby howler monkeys are known to cling to their mother's backs, which is what Estrellita was doing when the death occurred.

Capuchin monkeys on a remote Panamanian island are abducting babies from howler monkey families, in a first-of-its-kind trend.

They discovered video and images of four more young male capuchins carrying baby howlers, five months after Joker started doing it. They were copying him—it was a real-world case of “monkey ...

Scientists studying camera trap footage from Jicarón Island spotted something unusual: a capuchin monkey carrying an infant howler monkey on his back. Now, they’re trying to learn what it means.

It’s baby fever at the San Diego Zoo’s monkey habitats. Four infants — across three species of monkey — have been born in recent months, according to San Diego Zoo Wildlife … ...