On a Remote Island, Capuchins Are Abducting Baby Monkeys From Another Species. Scientists Are Stunned
A puzzling trend among capuchins ends in death for their abducted howler monkey infants.
A puzzling trend among capuchins ends in death for their abducted howler monkey infants.
In a remote area of Brazil, capuchin monkeys have been adapting their own stone tools for thousands of years.