Uniting against a common enemy: Perceived outgroup threat elicits ingroup cohesion in chimpanzees

• James Brooks ,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Writing – original draft

  * E-mail: jamesgerardbrooks@gmail.com

  Affiliations Wildlife Research Center, Kyoto University, Kyoto, Japan, Kumamoto Sanctuary, Kyoto University, Kumamoto, Japan

  https://orcid.org/0000-0001-6700-8283

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• Ena Onishi,

  Roles Investigation, Writing – review & editing

  Affiliations Wildlife Research Center, Kyoto University, Kyoto, Japan, Kumamoto Sanctuary, Kyoto University, Kumamoto, Japan

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• Isabelle R. Clark,

  Roles Investigation, Writing – review & editing

  Affiliation Department of Anthropology, University of Texas at Austin, Austin, Texas, United States of America

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• Manuel Bohn,

  Roles Formal analysis, Methodology, Writing – review & editing

  Affiliation Department of Comparative Cultural Psychology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany

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• Shinya Yamamoto

  Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing

  Affiliations Wildlife Research Center, Kyoto University, Kyoto, Japan, Institute for Advanced Study, Kyoto University, Kyoto, Japan

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