Plus, researchers could hear adult howler monkeys calling back and forth with the infants, who would sometimes try to crawl away. Camera footage showed one occasion when an adult howler came and tried ...

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

A gang of young white-faced capuchins, clever monkeys already known for inventing the use of stone tools, has taken to ...

A white-faced capuchin monkey uses stone tools at a streambed while carrying a baby howler on its back. Brendan Barrett / Max Planck Institute of Animal Behavior Susan Perry, a primatologist at ...

That's what scientists think after watching a bunch of male white-faced capuchin monkeys ... she saw a capuchin carrying a howler monkey baby. "It was not something we'd seen before.

Researchers found capuchins on Jicarón Island abducting baby howlers, raising questions about primate behavior and cultural fads.

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

White-faced capuchins on Jicarón Island in ... something they had never seen in the previous five years of data: a capuchin monkey carrying an infant howler monkey on his back.

As Goldsborough searched through the rest of her footage, she noticed the same adult monkey — a white-faced capuchin nicknamed “Joker” for the scar on his mouth — carrying a baby howler ...

White-faced capuchins on Jicarón Island in Coiba National ... something they had never seen in the previous five years of data: a capuchin monkey carrying an infant howler monkey on his back. “It was ...

This is chronologically the first sighting of a white-faced capuchin monkey carrying a howler infant ... Sometimes they switched off who was carrying the baby. In at least a couple of videos ...