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 ...

Remember how fun it was to play on monkey bars? They were by far one of the best activities on a jungle gym while we were growing up, and will likely be for our kids, too. As parents, it’s only ...