Because the baby snatchings have got to be hitting the local howler monkey population hard, as these monkeys don't reproduce often and have only one baby at a time. One of the things the ...

Scientists have found surprising video evidence of what they call monkey kidnappings – and they’re trying to figure out why.

Observations of Coiba's tool-using immature capuchin monkeys show them carrying abducted infant howler monkeys. What is the reason for this behavior?

Biologists documented five male capuchin monkeys carrying at least eleven different infant howler monkeys -- a behavior never ...

A young, male capuchin monkey walked past the camera with a baby howler monkey clinging to its back. “What am I looking at here?” Meg Crofoot, an ecologist at the Max Planck Institute of ...

Plus, researchers could hear adult howler monkeys calling back and forth with the infants, who would sometimes try to crawl ...

was reviewing camera footage when, to her surprise, she saw a capuchin carrying a howler monkey baby.