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

Researchers have documented an unusual and alarming trend among white-faced capuchin monkeys on Jicarón Island, Panama. Young ...

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 ...

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

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

A howler monkey infant, only a few days old, clings to a subadult white-faced capuchin monkey as it uses tools. Brendan Barrett / Max Planck Institute of Animal Behavior In June 2022, while ...