Capuchin monkeys have been caught on camera abducting the babies of another primate. The "weird" fad, which led to the deaths of several baby howler monkeys, was started by a male capuchin named Joker by scientists. The study, published in the journal ...

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 have been monkey-napping baby howler monkeys in ...

WASHINGTON (AP) — 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 they describe as monkey kidnappings ...