At first, the researchers thought it was a rare, one-time case of adoption. Monkeys have been known to “adopt” abandoned infants of the same or other species.

On an isolated island in Panama, white-faced capuchin monkeys have developed unprecedented behavior. A recent study reveals how this social practice spread among young males. The ...

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.

The capuchin monkeys were seen carrying at least 11 howler babies between 2022 ... the scientists thought this was the "heartwarming story of a weird capuchin adopting these infants," Goldsborough ...

They continued to analyze the footage, and found that in the span of 15 months, 11 infant howler monkeys were carried by juvenile or subadult male capuchin monkeys for periods of up to nine days.

Animal abduction: Biologists documented five male capuchin monkeys carrying at least eleven different infant howler monkeys -- a behavior never before seen in wild primates. Rise and spread: The ...

Howler monkeys primarily live in trees, so Crofoot assumes that is where the capuchins found them. Why capuchins appear to be abducting baby howlers is still unclear, but the team examined ...