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 evidence of what ...

A monkey has been caught in the St. Louis area... but not one of the four that made worldwide news in January. Earlier this ...

Howler infant number 5 on the back of a juvenile capuchin carrier, who is using stone tools at an anvil site in a stream bed. Usually, this behavior in females is described as adoption, thought to be ...

Capuchin monkeys on a remote Panamanian island are abducting babies from howler monkey families, in a first-of-its-kind trend. The wild population of white-faced capuchins (Cebus capucinus imitator) ...

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’ backs, but the ...

The life and eventual death of a capuchin monkey with a limb disability in the wild has been described by scientists, revealing that the mother and social group treated the disabled baby much the same ...

A young male white-faced capuchin monkey carrying a baby howler monkey, caught by a remote camera trap on Jicarón. On an island off the coast of Panama lives a population of wild primates with a ...