Captive chimpanzees might unite towards a typical enemy, being extra prone to present cohesive behaviors (e.g.: bodily closeness, play) after they hear recorded calls of unknown chimps.
Article Title: Uniting towards a typical enemy: Perceived outgroup risk elicits ingroup cohesion in chimpanzees
Funding: This analysis was financially supported by the Main Graduate Program in Primatology and Wildlife Science of Kyoto College, and JSPS Grant-in-Help for Scientific Analysis (KAKENHI 17H05862 and 19H00629 to SY). The funders had no position in research design, information assortment and evaluation, determination to publish, or preparation of the manuscript.
Competing Pursuits: The authors have declared that no competing pursuits exist.
Article URL: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0246869
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