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dc.contributor.authorHobaiter, Cat
dc.contributor.authorSchel, Anne Marijke
dc.contributor.authorLangergraber, Kevin
dc.contributor.authorZuberbuehler, Klaus
dc.date.accessioned2014-08-05T15:31:01Z
dc.date.available2014-08-05T15:31:01Z
dc.date.issued2014-08-01
dc.identifier138010159
dc.identifier00ce4d90-9624-46e8-a615-e54cb6b16beb
dc.identifier84905460335
dc.identifier000339819800078
dc.identifier.citationHobaiter , C , Schel , A M , Langergraber , K & Zuberbuehler , K 2014 , ' ‘Adoption’ by maternal siblings in wild chimpanzees ' , PLoS ONE , vol. 9 , no. 8 , e103777 . https://doi.org/10.1371/journal.pone.0103777en
dc.identifier.issn1932-6203
dc.identifier.otherORCID: /0000-0002-3893-0524/work/46125066
dc.identifier.otherORCID: /0000-0001-8378-088X/work/64360647
dc.identifier.urihttps://hdl.handle.net/10023/5087
dc.descriptionThis research was funded by the Leverhulme Trust Research Leadership Award F/00268/AP (http://www.leverhulme.ac.uk/), a Wenner-Gren Foundation Dissertation Fieldwork grant (http://www.wennergren.org/), the British Academy Grant SG411998 (http://www.brit.ac.uk) and the Royal Zoological Society of Scotland (http://www.rzss.org.uk). This project has received funding from the European Union’s Seventh Framework Programme for research, technological development and demonstration under grant agreement no. 283871. Genetic analyses were funded by the Max Planck Society, Boston University, and the Leakey Foundation.en
dc.description.abstractThe adoption of unrelated orphaned infants is something chimpanzees and humans have in common. Providing parental care has fitness implications for both the adopter and orphan, and cases of adoption have thus been cited as evidence for a shared origin of an altruistic behaviour. We provide new data on adoptions in the free-living Sonso chimpanzee community in Uganda, together with an analysis of published data from other long-term field sites. As a default pattern, we find that orphan chimpanzees do not become adopted by adult group members but wherever possible associate with each other, usually as maternal sibling pairs. This occurs even if both partners are still immature, with older individuals effectively becoming ‘child household heads’. Adoption of orphans by unrelated individuals does occur but usually only if no maternal siblings or other relatives are present and only after significant delays. In conclusion, following the loss of their mother, orphaned chimpanzees preferentially associate along pre-existing social bonds, which are typically strongest amongst maternal siblings.
dc.format.extent6
dc.format.extent194214
dc.language.isoeng
dc.relation.ispartofPLoS ONEen
dc.subjectQL Zoologyen
dc.subject.lccQLen
dc.title‘Adoption’ by maternal siblings in wild chimpanzeesen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews. School of Psychology and Neuroscienceen
dc.contributor.institutionUniversity of St Andrews. Institute of Behavioural and Neural Sciencesen
dc.contributor.institutionUniversity of St Andrews. Centre for Social Learning & Cognitive Evolutionen
dc.identifier.doi10.1371/journal.pone.0103777
dc.description.statusPeer revieweden
dc.identifier.urlhttp://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0103777en


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