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

Capuchins are also known for developing odd social rituals across their range. Scientists studying mainland populations have ...

A new trend is catching on among bored young male capuchins: kidnapping baby howler monkeys, in what scientists say is the ...

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

A group of white-faced capuchins on a remote island have started stealing infants from another primate species, and ...

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 on Panama's Jicarón Island were mystified by photos and videos of young male capuchins carrying howler monkeys on their backs for days at a time ...

In 2022 and 2023, several male Capuchin monkeys in Panama were spotted with babies on their backs, which is not that unusual ...

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

A young howler monkey was seen clinging to the back of an older male monkey, tightly gripping its fur.

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

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