A capuchin named Joker started the apparent trend, leading researchers to suspect "there was something a little quirky about him, or that he was kind of lonely in a way.” Reading time 3 minutes A ...

Add Yahoo as a preferred source to see more of our stories on Google. This photo provided by researchers shows a baby howler monkey clinging onto a young adult male capuchin monkey on Jicarón Island, ...

Researchers have discovered a weird, new behavior among capuchin monkeys, and it involves kidnapping howler monkey infants.

A group of male capuchin monkeys kidnapped baby howler monkeys – a different species – on a small island of Panama. Video shows the howler monkeys clinging to the male capuchin monkeys’ backs, but the ...

A new trend is catching on among bored young male capuchins: kidnapping baby howler monkeys, in what scientists say is the first time animals have been recorded stealing another species’ infants for ...

"This is her second baby, so she knows what she's doing," a Newquay Zoo keeper said of the monkey mom Benjamin VanHoose is the Senior News Editor on the TV team at PEOPLE. He has written about ...

MIAMI (CBSMiami) – Miami's Jungle Island has a cute and cuddly new addition and is proudly showing off the new little fella. He is a new white-faced baby capuchin monkey born recently at the park, but ...

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