Rare Gorilla and Chimp Warfare: Why the "Gentle Giants" are Committing Violence
Chimpanzees and gorillas have coexisted in peace for many years. Although they sometimes kill off youngsters or each other in one-on-one fights, ganging up on single males and entering in interspecies war are not their common behavior.
Tobias Deschner Stacy Rosenbaum Matt Cardy Getty Max Planck Institute For Evolutionary Anthropology Loango National Park University Of Chicago
Source: natureworldnews.com