Chimpanzee Subgroup Conflict
Ngogo community split into Western and Central clusters around 2015 due to competition, leadership changes, and a respiratory epidemic.
Western subgroup killed at least 28 chimpanzees, including 19 infants, since 2018.
Researchers Aaron Sandel and John Mitani suggest relational dynamics drive conflict more than cultural factors.
Evidence challenges the idea that human warfare is primarily driven by cultural markers.
2 days ago