Whether humans have evolved specific psychological adaptations for war is unknown, but current evidence suggests that the chimpanzee model is an appropriate starting point for analyzing the biological and cultural evolution of warfare. To test this "chimpanzee model," we review intergroup fighting in chimpanzees and nomadic hunter-gatherers living with other nomadic hunter-gatherers as neighbors. L ook closely enough, and you’ll find that modern societies resemble those of certain ants much more than our nearest relatives, the chimpanzee and bonobo.No chimp has to create highways. When self-sacrificial war practices are found in humans, therefore, they result from cultural systems of reward, punishment, and coercion rather than evolved adaptations to greater risk-taking. According to this idea chimpanzees and humans are equally risk-averse when fighting. Viewer Discretion is Advised: This video details the horrors of the darker side of the Chimpanzees nature with both pictures and description.Want to support. This paper nevertheless evaluates the hypothesis that intergroup aggression evolved according to the same functional principles in the two species-selection favoring a tendency to kill members of neighboring groups when killing could be carried out safely. Chimpanzee and hunter-gatherer intergroup aggression differ in important ways, including humans having the ability to form peaceful relationships and alliances among groups. While the Gombe Chimpanzee War isn’t exactly identical to human war, it is strikingly similar in brutality and allegiance to a tribe. Intergroup aggression in chimpanzees and war in nomadic hunter-gatherers: evaluating the chimpanzee model.
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