The Ngogo chimpanzees in Uganda have divided themselves into two main factions, and dozens of deaths have been recorded since ...

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

The long-running conflict in a formerly unified community, the second ever observed, adds to Jane Goodall’s studies about a ...

They’re going apes–t. A scenic Ugandan jungle has become a bloody battlefield as two rival chimpanzee clans wage what could ...

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

One day in June 2015, primatologist Aaron Sandel was watching chimpanzees in Uganda’s Kibale National Park when he saw ...

A chimp group’s success may have led to its violent downfall, a new study suggests.

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

The world’s largest-known group of chimpanzees split into two factions that are now engaged in deadly combat ...

The first well-observed "civil war" in wild chimpanzees reveals that shifting social ties alone can fracture a group, ...

Hundreds of chimpanzees in Uganda’s Kibale National Park have divided into two groups that are embroiled in a years-long ...

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