Why Chimpanzees Go to War, with John Mitani

2026-06-26

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Dr. John Mitani, professor emeritus in the Department of Anthropology at the University of Michigan and recipient of the Charles R. Darwin Lifetime Achievement Award, joins School of War to discuss the violent chimpanzee civil war he documented among the Ngogo chimpanzees in Uganda. What caused one of the world's largest chimpanzee communities to turn on itself? What does chimpanzee warfare reveal about the origins of human conflict? And what separates humans from our closest living relatives? 02:39 - How Dr. Mitani became an ape...

Dr. John Mitani, professor emeritus in the Department of Anthropology at the University of Michigan and recipient of the Charles R. Darwin Lifetime Achievement Award, joins School of War to discuss the violent chimpanzee civil war he documented among the Ngogo chimpanzees in Uganda. What caused one of the world's largest chimpanzee communities to turn on itself? What does chimpanzee warfare reveal about the origins of human conflict? And what separates humans from our closest living relatives?

02:39 - How Dr. Mitani became an ape researcher

04:02 - Why chimpanzees?

05:13 - Humans' closest living relatives

08:38 - The Ngogo chimpanzees

09:31 - The chimpanzee civil war begins

13:35 - Living among wild chimpanzees

17:09 - Territorial patrols and warfare

22:34 - Why the chimpanzee community split

26:26 - How chimpanzees fight

29:14 - The strategy behind chimp warfare

31:24 - Why full stomachs lead to war

33:10 - Land, food, and reproduction