Chimpanzee community fission in Uganda reveals habitat loss and colonial research legacies as drivers of lethal violence
Original framing: “‘I didn’t want to write about this’: the man who first saw chimps waging civil war” — The Guardian - Environment
Batooro elders describe chimpanzees as 'abakama b'ekibira' (kings of the forest) whose social ruptures signal a disturbance in the reciprocal contract between humans and the forest; when chimpanzees turn on each other, it is read as a consequence of humans breaking taboos against over-hunting forest game and clearing sacred fig trees (Ficus spp.) that sustain chimpanzee diets. This knowledge, transmitted through clan-based storytelling and hunting apprenticeships, identifies the same behavioral shifts Mitani documented—but attributes them to human moral-ecological failure rather than innate chimpanzee aggression. Ugandan ethnoprimatologists like Dr. Moses Musana have documented these frameworks, yet they remain absent from the peer-reviewed literature that Mitani's work enters.
The Ngogo chimpanzee fission is not a discovery of innate violence but a revelation of how colonial land alienation, contemporary agricultural encroachment, and extractive research practices converge to produce lethal social rupture in a fragmented forest.
Batooro elders' reading of chimpanzee conflict as a symptom of broken reciprocity aligns with agent-based models showing that corridor loss—not biological determinism—drives the killing rate. The erasure of Ugandan field assistants' three-decade dataset and the sensationalist 'civil war' metaphor together sustain a narrative that protects the structural status quo: a conservation model that studies the symptoms of fragmentation while leaving its causes intact. Decolonizing primatology means centering the coexistence councils, corridor restoration, and narrative reframing that Ugandan communities and scientists have long advocated. Only then does the trickster's lesson land: the war is not among chimpanzees; it is a war on the forest, and we are the ones waging it.