Lethal intergroup aggression leads to territorial expansion in wild chimpanzees

@article{Mitani2010LethalIA,
  title={Lethal intergroup aggression leads to territorial expansion in wild chimpanzees},
  author={John C. Mitani and David P. Watts and Sylvia J. Amsler},
  journal={Current Biology},
  year={2010},
  volume={20},
  pages={R507-R508}
}
Summary Chimpanzees make lethal coalitionary attacks on members of other groups [1]. This behavior generates considerable attention because it resembles lethal intergroup raiding in humans [2]. Similarities are nevertheless difficult to evaluate because the function of lethal intergroup aggression by chimpanzees remains unclear. One prominent hypothesis suggests that chimpanzees attack neighbors to expand their territories and to gain access to more food [2]. Two cases apparently support this… Expand
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