Aaron Sandel can pinpoint when it all started. The codirector of the Ngogo Chimpanzee Project had been observing a group of apes on June 24, 2015, in Uganda’s Kibale National Park, where the project ...

A 30-year study documents a rare split within a chimpanzee community in Uganda’s Kibale National Park — one that sparked a deadly war. Two rival chimp groups have staged coordinated raids that killed ...

Since 1995, scientists have tracked a huge group of chimpanzees living in the forests of Uganda. The sustained research, featured in the 2023 documentary “Chimp Empire,” has led to profound insights ...

Researchers have documented a permanent split between the largest-known group of wild chimpanzees, which erupted into a lethal civil war over the past several years — findings that could help ...

Two adult male members of the Ngogo chimpanzee group at Kibale National Park form a coalition and chase off other males. via REUTERS They’re going apes – – t. A scenic Ugandan jungle has become a ...

A rare and deadly “civil war” has broken out between two factions of chimps in Africa, according to new research. The dispute erupted in what was once a cohesive group of about 200 chimps whose ties ...

"I've known many of them for their entire lives. And now I'm watching them kill each other," says one researcher. Reading time 4 minutes For two decades, a community of chimpanzees in Uganda thrived ...

For years, two sets of chimpanzees lived as one in Uganda’s Kibale National Park — grooming, interacting and patrolling their territory in a cohesive community. Subscribe to read this story ad-free ...

The long-running conflict in a formerly unified community, the second ever observed, adds to Jane Goodall’s studies about a different chimp war in the 1970s. A chimpanzee community called Ngogo was ...

A once harmonious group of wild chimpanzees has split into two, leading to intractable conflict and escalating violence. Researchers say the rift suggests that human wars are a deeply rooted part of ...