Despite 35 years of awareness campaigns, palm oil plantations still devastate the landscape of this biodiversity hotspot and the animals who depend on native forests.

U.S. military officials in Japan have issued a warning about a wild monkey, urging Naval Air Facility Atsugi residents to ...

Scientists have found evidence of monkey kidnappings in Panama. Video footage shows male capuchin monkeys carrying howler ...

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

Scientists on Panama's Jicarón Island were mystified by photos and videos of young male capuchins carrying howler monkeys on their backs for days at a time ...

Deep in the rainforest, the monkeys are yodeling. Their wild calls echo across the foliage, sending signals of sex and ...

Credit: Christian Ziegler/Brendan Barrett / Max Planck Institute of Animal Behavior/Cover Images A capuchin monkey named ‘Joker’ has sparked a bizarre and cruel fad among his kind on an island off 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.

Observations of Coiba's tool-using immature capuchin monkeys show them carrying abducted infant howler monkeys. What is the ...

Over 15 months on Jicarón Island, researchers saw five capuchin juveniles abduct 11 endangered howler monkey infants — all for no clear purpose.

The toque macaque is a reddish-brown-coloured monkey. The idea was abandoned after protests from environmentalists.