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dc.contributor.authorWilson, Michael L.
dc.contributor.authorBoesch, Christophe
dc.contributor.authorFruth, Barbara
dc.contributor.authorFuruichi, Takeshi
dc.contributor.authorGilby, Ian C.
dc.contributor.authorHashimoto, Chie
dc.contributor.authorHobaiter, Cat
dc.contributor.authorHohmann, Gottfried
dc.contributor.authorItoh, Noriko
dc.contributor.authorKoops, Kathelijne
dc.contributor.authorLloyd, Julia N.
dc.contributor.authorMatsuzawa, Tetsuro
dc.contributor.authorMitani, John C.
dc.contributor.authorMjungu, Deus C.
dc.contributor.authorMorgan, David
dc.contributor.authorMuller, Martin N.
dc.contributor.authorMundry, Roger
dc.contributor.authorNakamura, Michio
dc.contributor.authorPruetz, Jill
dc.contributor.authorPusey, Anne E.
dc.contributor.authorRiedel, Julia
dc.contributor.authorSanz, Crickette
dc.contributor.authorSchel, Anne Marijke
dc.contributor.authorSimmons, Nicole
dc.contributor.authorWaller, Michel
dc.contributor.authorWatts, David P.
dc.contributor.authorWhite, Frances
dc.contributor.authorWittig, Roman Martin
dc.contributor.authorZuberbuehler, Klaus
dc.contributor.authorWrangham, Richard W.
dc.identifier.citationWilson , M L , Boesch , C , Fruth , B , Furuichi , T , Gilby , I C , Hashimoto , C , Hobaiter , C , Hohmann , G , Itoh , N , Koops , K , Lloyd , J N , Matsuzawa , T , Mitani , J C , Mjungu , D C , Morgan , D , Muller , M N , Mundry , R , Nakamura , M , Pruetz , J , Pusey , A E , Riedel , J , Sanz , C , Schel , A M , Simmons , N , Waller , M , Watts , D P , White , F , Wittig , R M , Zuberbuehler , K & Wrangham , R W 2014 , ' Lethal aggression in Pan is better explained by adaptive strategies than human impacts ' , Nature , vol. 513 , no. 7518 , pp. 414-417 .
dc.identifier.otherPURE: 149553847
dc.identifier.otherPURE UUID: f39665b1-3cc7-4772-9515-4759e6ab5ffa
dc.identifier.otherScopus: 84907762429
dc.identifier.otherORCID: /0000-0002-3893-0524/work/46125071
dc.identifier.otherWOS: 000341814900059
dc.identifier.otherORCID: /0000-0001-8378-088X/work/64360776
dc.descriptionThis study was funded by National Science Foundation grants BCS-0648481 and LTREB-1052693 and National Institutes of Health grant R01 AI 058715.en
dc.description.abstractObservations of chimpanzees (Pan troglodytes) and bonobos (Pan paniscus) provide valuable comparative data for understanding the significance of conspecific killing. Two kinds of hypothesis have been proposed. Lethal violence is sometimes concluded to be the result of adaptive strategies, such that killers ultimately gain fitness benefits by increasing their access to resources such as food or mates1,2,3,4,5. Alternatively, it could be a non-adaptive result of human impacts, such as habitat change or food provisioning6,7,8,9. To discriminate between these hypotheses we compiled information from 18 chimpanzee communities and 4 bonobo communities studied over five decades. Our data include 152 killings (n = 58 observed, 41 inferred, and 53 suspected killings) by chimpanzees in 15 communities and one suspected killing by bonobos. We found that males were the most frequent attackers (92% of participants) and victims (73%); most killings (66%) involved intercommunity attacks; and attackers greatly outnumbered their victims (median 8:1 ratio). Variation in killing rates was unrelated to measures of human impacts. Our results are compatible with previously proposed adaptive explanations for killing by chimpanzees, whereas the human impact hypothesis is not supported.
dc.rights© 2014 Macmillan Publishers Limited. This work is made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at
dc.subjectQH301 Biologyen
dc.subjectBF Psychologyen
dc.titleLethal aggression in Pan is better explained by adaptive strategies than human impactsen
dc.typeJournal itemen
dc.contributor.institutionUniversity of St Andrews.School of Psychology and Neuroscienceen
dc.contributor.institutionUniversity of St Andrews.Centre for Social Learning & Cognitive Evolutionen
dc.contributor.institutionUniversity of St Andrews.Institute of Behavioural and Neural Sciencesen
dc.description.statusPeer revieweden

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