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dc.contributor.authorVoelter, Christoph Johannes
dc.contributor.authorRossano, F.
dc.contributor.authorCall, J.
dc.identifier.citationVoelter , C J , Rossano , F & Call , J 2015 , ' From exploitation to cooperation : social tool use in orang-utan mother-offspring dyads ' , Animal Behaviour , vol. 100 , pp. 126-134 .
dc.identifier.otherPURE: 167199308
dc.identifier.otherPURE UUID: c2931d4c-f14c-4466-9388-1e6f8f02ddf0
dc.identifier.otherScopus: 84921407098
dc.identifier.otherWOS: 000348449000018
dc.identifier.otherORCID: /0000-0002-8597-8336/work/37477925
dc.descriptionC.J.V. was supported by a scholarship of the German National Academic Foundation.en
dc.description.abstractSocial manipulation represents an important aspect of human social interactions, including cooperative ones. Yet, little is known about social manipulation of conspecifics in nonhuman great apes. We investigated how orang-utan, Pongo abelii, mothers used their offspring as a means to access food in competitive and cooperative test situations. In the competitive situations, only the offspring could retrieve high-value food rewards. Here, orang-utan mothers often stole the food from their offspring and even coerced them into retrieving it to begin with, by moving the offspring to the test site, guiding their arms and bodies towards the food, and even reorienting their hands so that they would grab the food. However, modifying the task constraints so that mothers were now required to cooperate with their offspring to obtain the food changed the mothers' behaviour completely. Suddenly, mothers cooperated with their offspring by handing them tools that only their offspring could use to activate a mechanism delivering food for both of them. We conclude that orang-utans, like humans, are able to flexibly use conspecifics as a social tool and that this kind of social tool use supports their ability to cooperate.
dc.relation.ispartofAnimal Behaviouren
dc.rightsCopyright © 2014 The Association for the Study of Animal Behaviour. Published by Elsevier Ltd. 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.subjectGreat apesen
dc.subjectPrimate cognitionen
dc.subjectSocial tool useen
dc.subjectBF Psychologyen
dc.titleFrom exploitation to cooperation : social tool use in orang-utan mother-offspring dyadsen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews.School of Psychology and Neuroscienceen
dc.contributor.institutionUniversity of St Andrews.Centre for Social Learning & Cognitive Evolutionen
dc.description.statusPeer revieweden

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