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 ...

The conflict is unfolding in Uganda's Kibale National Park, where a once-unified group has split into rival factions that have turned on each other.

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

In the mid-1970s, primatologist Jane Goodall witnessed something that changed her opinion of chimpanzees forever: A four-year ...

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." ...

If you’re not worried by the war, you’re not paying attention. No, not the war in the Middle East. The war in Africa. The Red ...

"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 ...

Larger, more tolerant chimpanzee groups manage shared resources more effectively and exhibit less aggressive competition than smaller, more competitive groups. Tolerance functions as a group-level ...