The scientists nicknamed one capuchin kidnapper Joker because the scar at the side of its mouth reminded them of the "Batman" ...

“I saw this capuchin monkey carrying a howler infant on its ... CREDIT: Brendan Barrett / Max Planck Institute of Animal Behavior. Another theory proposed by Goldsborough and her colleagues ...

Scientists on Panama's Jicarón Island were mystified by photos and videos of young male capuchins carrying howler monkeys on their backs for days at a time ...

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 ...

That's what scientists think after watching a bunch of male white-faced capuchin monkeys walking around with baby howler monkeys clinging to their backs. The perplexing baby-snatchings ...

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 ...