“Sometimes I feel like I’ve chosen the most difficult thing in the world to study,” Cheryl Knott tells me as we sit beneath the rain forest canopy at her orangutan research station in ...

The 18-month-old primate had "wounds on his head and fingers from rocking and banging his head on the cage," according to his ...

This story appears in the October/November 2016 issue of Nat Geo WILD magazine. Biological anthropologist Cheryl Knott and photojournalist Tim Laman have dedicated their lives to the orangutans of ...