A group of white-faced capuchins on a remote island have started stealing infants from another primate species, and ...

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

Cameras on a remote island captured how a novel social tradition originated and spread. Off the coast of Panama, on a remote ...

That's what scientists think after watching a bunch of male white-faced capuchin monkeys walking around with baby howler monkeys clinging to their backs. The perplexing baby-snatchings ...

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

Then a group of other young males started to copy him. 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 ...

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

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 ...

Scientists spotted surprising evidence of what they describe as monkey kidnappings while reviewing video from a small island of Panama. The capuchin monkeys were seen carrying at least 11 howler ...

“I saw this capuchin monkey carrying a howler infant on its back and I was completely shocked,” Zoë Goldsborough, lead study author and a behavioral ecology PhD student at the Max Planck ...