On an island in Panama, a fad that one researcher called "viscerally disturbing" has recently taken off among a group of young male monkeys. These adolescents and juveniles have started to kidnap the ...

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 watching ...

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 been observed with stolen howler monkey babies on a small ...

Animal abduction: Biologists documented five male capuchin monkeys carrying at least eleven different infant howler monkeys -- a behavior never before seen in wild primates. Rise and spread: The ...

A young male nicknamed Joker was probably the first to start carrying a howler monkey baby on his back for days on end. Then a group of other young males started to copy him. Here a white-faced ...

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 ...

Male capuchin monkeys on a Panamanian island were documented carrying around infant howler monkeys for no clearly discernible reason. By Elizabeth Landau Capuchin monkeys don’t generally hang out with ...

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This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — A baby howler monkey clung ...

On a remote Panamanian island, researchers have observed for the very first time young male capuchin monkeys stealing howler monkey babies, according to a new study. Since 2017, researchers have used ...