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 out with ...

Capuchin monkeys are mainly known for their intelligence and resourcefulness. However, scientists have come across a strange, new behavior among the primates: child abduction. Per Smithsonian, Zoë ...

"Monkey see, monkey do" has had distressing consequences for howler monkeys on a small island off the coast of Panama. Researchers say cameras set up to observe the sophisticated use of stone tools by ...

A young male nicknamed Joker was probably the first to start carrying a howler monkey baby on his back for days on end. Then a group of other young males started to copy him. Here a white-faced ...