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

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

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.

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

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

Barett said, when they saw a member of the capuchin group carrying a howler monkey on its back, it was really surprising. Initially, they thought the howler capuchin was a one-off pair, then they saw ...

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

Young male capuchins have developed a strange trend of acquiring baby howler monkeys. It doesn't end well for the babies.