Chimpanzee Civil War at Ngogo: Insights into Social Breakdown and Conflict

This NPR Short Wave episode examines a rare chimpanzee civil war in Uganda's Ngogo group, using decades of primatology to explore how social bonds fracture and what this teaches about human conflict.

• Contexts the Ngogo chimpanzee communities on the western border of Uganda and the 30+ year observation window
• Tracks the six weeks of tension in 2015 when western and central neighborhoods diverged in behavior
• Discusses parallels and cautions when drawing human war analogies from primate behavior

Overview and context

The podcast tracks a dramatic case study from the Ngogo chimpanzee group on the western border of Uganda, where researchers have observed this large community for more than three decades. The hosts and guests compare the unfolding events to human-scale conflicts, while noting that chimps lack human institutions such as religion, politics, or formal ideologies. Jane Goodall’s early work in Tanzania is invoked as a point of comparison, particularly the so‑called banana wars and the idea that social dynamics can drive violence even without human cultural constructs. The episode frames a fundamental question: what happens when social bonds inside a group begin to fracture and outsiders are perceived as threats?

"This is a civil war amongst one of humanity's closest living relatives" - Emily Kwong