The scientists nicknamed one capuchin kidnapper Joker because the scar at the side of its mouth reminded them of the "Batman" ...

Scientists have found surprising video evidence of what they call monkey kidnappings – and they’re trying to figure out why.

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

Cameras on a remote island captured how a novel social tradition originated and spread. Off the coast of Panama, on a remote ...

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.

Scientists working on Jicarón Island noticed that the Capuchin monkey population had started to ‘kidnap’ younger monkeys of ...

Capuchin monkeys in Panama were filmed carrying howler monkey babies, sparking confusion among scientists. The unusual ...

A rare cultural behavior spreads among young male capuchins and baby howlers, raising questions about animal traditions and ...

Male capuchin monkeys on a Panamanian island were documented carrying around infant howler monkeys for no clearly discernible reason.

Further observation of the video and cross-checking among researchers revealed that the small figure was actually a monkey of a different species — a baby howler. “I was shocked ...