Imagine doing the same job as the person next to you and discovering they are being rewarded with something better. You will ...

Add Yahoo as a preferred source to see more of our stories on Google. This photo provided by researchers shows a baby howler monkey clinging onto a young adult male capuchin monkey on Jicarón Island, ...

Dawn is yet to break when primatologist Susan Perry and her field research team move through Costa Rica’s tropical dry forest ...

Add Yahoo as a preferred source to see more of our stories on Google. Camera trap footage from Jicarón Island revealed a male capuchin monkey carrying a howler infant on its back. Now, scientists are ...

Observations of Coiba’s tool-using immature capuchin monkeys show them carrying abducted infant howler monkeys. What is the reason for this behavior? Vanessa Crooks Caught in the act! Capuchin monkeys ...

On an island off the coast of Panama lives a population of wild primates with a remarkable culture. White-faced capuchins on Jicarón Island in Coiba National Park use stone tools; and scientists have ...

Researchers recently conducted an open diffusion experiment to explore how capuchin monkeys learn novel behaviors, shedding light on the roles of social learning, observation, and affiliative ...

Capuchin monkeys on a remote Panamanian island are abducting babies from howler monkey families, in a first-of-its-kind trend. At first, the researchers thought it was a case of “one individual who ...

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WASHINGTON — A baby howler monkey clung to the back of an older male monkey, its tiny fingers grasping fur. But they're not related and not even the same species. Scientists spotted surprising ...