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 ...

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 ...

Most nonhuman primate mummies originate from arid regions such as Egypt and northern Chile. However, a recent comprehensive report by Dr. Bernardo Urbani and his colleagues presents a primate mummy ...

This video features a Mantled Howler Monkey in the Amazon Rainforest, one of the largest monkey species found in the tropical ...