On a remote island off Panama, a young capuchin monkey nicknamed Joker may have sparked one of the strangest behavioral trends primatologists have ever seen: kidnapping baby howler monkeys and carrying them around like prized possessions. What started as a one-off event quickly became a disturbing fad among other young males—with deadly consequences. Learn more: https://on.natgeo.com/4kmyIRw | National Geographic

Ain't no monkey business. Wildlife trafficking is a serious issue threatening many species around the world - like the capuchin monkey. Like many monkeys, capuchins are often trapped, stolen from their families, and sold as pets. Though very intelligent and charismatic, they do not make good pets. Capuchin monkeys soak their hands and feet in urine to scent mark their territory. They also require special diets and complex social structures in order to thrive and, if not taken care of properly, c