India, April 18 -- A rare split in a large chimpanzee community led to years of lethal conflict between former group members

Researchers tracked the Ngogo chimpanzees in Uganda over three decades, documenting a permanent division after 2015

The groups carried out repeated attacks, killing adults and infants over several years

Study suggests conflict can emerge from breakdowns in social relationships, without cultural or ideological divides

Findings challenge assumptions about the origins of war in both human and non-human societies

A rare and permanent split in one of the world's largest known groups of wild chimpanzees, followed by years of lethal violence between former group members, is offering new insight into how conflict, even...