In bewildering new footage a capuchin monkey, the size of a house-cat, is videoed with a baby howler monkey clinging to its back. Neither monkey are related, nor even the same species.

Monkeys on a remote island have shocked scientists with their never-before-seen behaviour. A behavioural ecologist captured a capuchin monkey carrying a small figure on its back on her camera trap ...

Young, male capuchin monkeys have started kidnapping the babies of nearby howler monkeys. Why? Maybe boredom.

A search is under way for a missing capuchin monkey named Charlie, who disappeared from the Monkey Sanctuary Ireland in Rathdrum, Co Wicklow, in recent days.

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

The "weird" fad - which led to the deaths of several baby howler monkeys - was started by a male capuchin named Joker by scientists. The behaviour may have been triggered by boredom, say scientists.

Here a white-faced capuchin monkey perches on a tree branch in Manuel Antonio National Park in Costa Rica. A group from the same genus has been observed with stolen howler monkey babies on a small ...

Marina Chapman (63) claims she was abandoned in the jungle as a child, and a group of monkeys saved her. She has given an account of her experience for a TV documentary which is due to be screened ...

Follow Diego Arauz Chaves, an ecotourism guide in Costa Rica, as he takes filmmakers on his boat into the mangroves to get up close to a Capuchin troop he knows intimately. These capuchins ...

A troop of monkeys in Brazil has smashed a long-held belief that only humans were smart enough to manufacture tools. The capuchin monkeys were videoed happily banging one stone against another ...