The once close-knit community of Ngogo chimpanzees have been at loggerheads for the last eight years.

A once large and peaceful group of chimpanzees in the western forests of Uganda has now split into two, causing a rare “civil ...

The Ngogo chimpanzees in Uganda have divided themselves into two main factions, and dozens of deaths have been recorded since the split in 2018. A new study details the unprecedented violence, which c ...

For decades, the 200 Ngogo chimpanzees in Kibale National Park, Uganda, lived what seemed a calm and normal existence. Males and females hunted together, groomed each other and went on patrols through ...

An unusually large troop of chimpanzees displayed cooperation and social cohesion for decades, until something shifted and ...

A long-term study of the world's largest known community of chimpanzees has documented a rare event: what the researchers describe as the primate equivalent of a "civil war." ...