These Chimps Began the Bloodiest ‘War’ on Record. No One Knows Why.

A long-running conflict in a Ugandan park may provide clues to the origins of human warfare, and how to avoid it.

Scientists stunned as chimpanzees turn on friends in killing spree

By Will Dunham April 9 (Reuters) - For two decades, researchers observed members of the Ngogo chimpanzee group of Kibale ...

Ugandan chimps split into two factions, then killed rivals

But the case was considered an anomaly, although there is genetic evidence suggesting this kind of split is a rare event ...

Violent split in chimpanzee group offers clues on roots of human conflict: Research

Researchers have documented a permanent split between the largest-known group of wild chimpanzees, which erupted into a ...

Infants torn from mothers, testicles ripped off: Study describes vicious chimpanzee infighting

Chimpanzees that had once formed a cohesive community in Uganda split into factions and turned violent, according to a new ...