Video footage shows male capuchin monkeys carrying at least 11 howler monkey babies between 2022 and 2023. The monkeys' ...

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 capuchin named Joker started the apparent trend, leading researchers to suspect "there was something a little quirky about ...

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

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 ...

One of these behaviors was seen as recently as 2023, and it is making headlines as more people speculate about its reasons.In ...

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.

On Jicarón Island, white-faced capuchin monkeys ( Cebus capucinus imitator) rule, unmolested by predators. In their peace, ...

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.

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