A chimpanzee 'civil war' erupted in Uganda. Scientists aren't sure why

A chimpanzee 'civil war' erupted in Uganda. Scientists aren't sure why

An unusually large troop of chimpanzees displayed cooperation and social cohesion for decades, until something shifted and they started to turn on each other.

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

Carl Zimmer at the New York Times: On Thursday, a group of researchers reported that the Ugandan chimps are locked in a primate version of civil war. Two factions split about a decade ago and have been engaged in a highly lethal conflict ever since. Scientists have never seen such widespread, long-running bloodshed among chimpanzees. Further studies may shed light on the roots of warfare in our own species, although the Trump administration’s pr…