“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 ...

Together with their children, they’ve made it a family mission to reveal new threats to the great apes in their rain forest homes. The Nat Geo WILD show Orangutans on the Edge: Mission Critical ...