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Adolescent male chimpanzees (Pan troglodytes) form social bonds with their brothers and others during the transition to adulthood
dc.contributor.authorSandel, Aaron A.
dc.contributor.authorLangergraber, Kevin E.
dc.contributor.authorMitani, John C.
dc.date.accessioned2020-02-05T15:05:36Z
dc.date.availableWITHHELD_12_MONTHS
dc.date.available2020-02-05T15:05:36Z
dc.date.issued2020-01
dc.identifier.citationSandel, Aaron A.; Langergraber, Kevin E.; Mitani, John C. (2020). "Adolescent male chimpanzees (Pan troglodytes) form social bonds with their brothers and others during the transition to adulthood." American Journal of Primatology 82(1): n/a-n/a.
dc.identifier.issn0275-2565
dc.identifier.issn1098-2345
dc.identifier.urihttps://hdl.handle.net/2027.42/153616
dc.description.abstractSocial relationships play an important role in animal behavior. Bonds with kin provide indirect fitness benefits, and those with nonkin may furnish direct benefits. Adult male chimpanzees (Pan troglodytes) exhibit social bonds with maternal brothers as well as unrelated adult males, facilitating cooperative behavior, but it is unclear when these bonds develop. Prior studies suggest that social bonds emerge during adolescence. Alternatively, bonds may develop during adulthood when male chimpanzees can gain fitness benefits through alliances used to compete for dominance status. To investigate these possibilities and to determine who formed bonds, we studied the social relationships of adolescent and young adult male chimpanzees (N = 18) at Ngogo in Kibale National Park, Uganda. Adolescent male chimpanzees displayed social bonds with other males, and they did so as often as did young adult males. Adolescent and young adult males frequently joined subgroups with old males. They spent time in proximity to and grooming with old males, although they also did so with their age peers. Controlling for age and age difference, males formed strong association and proximity relationships with their maternal brothers and grooming relationships with their fathers. Grooming bonds between chimpanzee fathers and their adolescent and young adult sons have not been documented before and are unexpected because female chimpanzees mate with multiple males. How fathers recognize their sons and vice versa remains unclear but may be due to familiarity created by relationships earlier in development.Adolescent male chimpanzees, by age 12 years, have as many strong grooming bonds as do young adults.Research HighlightsAdolescent male chimpanzees form social bonds with other males.Bonds were common between unrelated males, but frequent with maternal brothers, peers, old males, and fathers.Fathers may be important for male chimpanzees transitioning to adulthood.
dc.publisherHarvard University Press
dc.publisherWiley Periodicals, Inc.
dc.subject.othersocial relationships
dc.subject.otherpaternal relationships
dc.subject.otherkinship
dc.subject.otherdevelopment
dc.titleAdolescent male chimpanzees (Pan troglodytes) form social bonds with their brothers and others during the transition to adulthood
dc.typeArticle
dc.rights.robotsIndexNoFollow
dc.subject.hlbsecondlevelEcology and Evolutionary Biology
dc.subject.hlbtoplevelScience
dc.description.peerreviewedPeer Reviewed
dc.description.bitstreamurlhttps://deepblue.lib.umich.edu/bitstream/2027.42/153616/1/ajp23091.pdf
dc.description.bitstreamurlhttps://deepblue.lib.umich.edu/bitstream/2027.42/153616/2/ajp23091_am.pdf
dc.identifier.doi10.1002/ajp.23091
dc.identifier.sourceAmerican Journal of Primatology
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dc.owningcollnameInterdisciplinary and Peer-Reviewed


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