Researchers have documented an unusual and alarming trend among white-faced capuchin monkeys on Jicarón Island, Panama. Young ...

A gang of young white-faced capuchins, clever monkeys already known for inventing the use of stone tools, has taken to ...

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

Capuchin monkeys have the largest brains of all New World monkeys. Meet all the members of this group and learn what their roles are.

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

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

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 ...

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.

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

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

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 ...