Add Yahoo as a preferred source to see more of our stories on Google. Val, an adult male chimpanzee, demonstrates the ‘grass-in-ear’ behavior. - Jake Brooker/Chimfunshi Wildlife Orphanage Trust ...

Young chimpanzees learn their communication style from their mother and maternal relatives, but show little similarity to the communication behavior of their father and paternal relatives, according ...

Add Yahoo as a preferred source to see more of our stories on Google. Chimpanzee eating grass, with inset of two chimpanzees interacting. Move over, fashion week — the hottest accessory of the season ...

Great apes appear to build friendships much like humans do. By studying grooming behavior, researchers discovered that ...

While watching a group of captive chimpanzees for her graduate research, Ena Onishi noticed something odd about the primates. "They seemed to have a tendency to urinate around the same time," said ...

Is the instinct to spend more time with close companions and naturally drift from acquaintances innate? A study reveals that ...

Scientists have identified dozens of previously overlooked cultural behaviors in wild chimpanzees, suggesting that the great ape’s culture extends far beyond complex skills like tool use. In a single ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An experimental study of modern chimpanzees has documented patterns of ...

(CNN) — Chimpanzees living in a sanctuary in Africa have developed a “fashion trend” for dangling blades of grass or sticks from their ear holes and their behinds, a new study shows. In 2010, ...