This story appears in the February 2010 issue of National Geographic magazine ... Dave Morgan and Crickette Sanz heard a party of male chimpanzees vocalizing raucously in the distance.

The "Four Year War", as Goodall calls it, erupted two years after the death of Flo, a dominant female member of her community ...

National Geographic assigned Hugo to document chimp behaviors but also to film and photograph what they called “human interest”—Jane playing with the chimps and even washing her hair.