Camera trap footage from Jicarón Island revealed a male capuchin monkey carrying a howler infant on its back. Now, scientists are trying to understand what's driving this kidnapping behavior. - ...

Dunn’s team analyzed the biological “budget” of these primates and found a direct negative correlation: males with large ...

Howler infant number 5 on the back of a juvenile capuchin carrier, who is using stone tools at an anvil site in a stream bed. Usually, this behavior in females is described as adoption, thought to be ...

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 ...

(CNN) — At first, behavioral ecologist Zoë Goldsborough thought the small figure seen on the back of a capuchin monkey in her camera trap footage was just a baby capuchin. But something, she said, ...

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