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dc.contributor.authorGruber, Thibaud
dc.contributor.authorMuller, Martin N.
dc.contributor.authorStrimling, Pontus
dc.contributor.authorWrangham, Richard
dc.contributor.authorZuberbuehler, Klaus
dc.date.accessioned2014-12-18T12:01:01Z
dc.date.available2014-12-18T12:01:01Z
dc.date.issued2009-11-17
dc.identifier.citationGruber , T , Muller , M N , Strimling , P , Wrangham , R & Zuberbuehler , K 2009 , ' Wild chimpanzees rely on cultural knowledge to solve an experimental honey acquisition task ' , Current Biology , vol. 19 , no. 21 , pp. 1806-1810 . https://doi.org/10.1016/j.cub.2009.08.060en
dc.identifier.issn0960-9822
dc.identifier.otherPURE: 17091206
dc.identifier.otherPURE UUID: 3cf80d4b-159c-4873-93cb-4056f4410829
dc.identifier.otherWOS: 000271970200021
dc.identifier.otherScopus: 71849086431
dc.identifier.otherORCID: /0000-0001-8378-088X/work/64360630
dc.identifier.urihttp://hdl.handle.net/10023/5938
dc.description.abstractPopulation and group-specific behavioral differences have been taken as evidence for animal cultures [1-10], a notion that remains controversial. Skeptics argue that ecological or genetic factors, rather than social learning, provide a more parsimonious explanation [11-14]. Work with captive chimpanzees has addressed this criticism by showing that experimentally created traditions can be transmitted through social learning [15-17]. Recent fieldwork further suggests that ecological and genetic factors are insufficient to explain the behavioral differences seen between communities, but the data are only observational [18, 19]. Here, we present the results of a field experiment [20, 21] that compared the performance of chimpanzees (P. t. schwein-furthii) from two Ugandan communities, Kanyawara and Sonso, on an identical task in the physical domain-extracting honey from holes drilled into horizontal logs. Kanyawara chimpanzees, who occasionally use sticks to acquire honey [4], spontaneously manufactured sticks to extract the experimentally provided honey. In contrast, Sonso chimpanzees, who possess a considerable leaf technology but no food-related stick use [4, 22], relied on their fingers, but some also produced leaf sponges to access the honey. Our results indicate that, when genetic and environmental factors are controlled, wild chimpanzees rely on their cultural knowledge to solve a novel task.
dc.format.extent5
dc.language.isoeng
dc.relation.ispartofCurrent Biologyen
dc.rightsCopyright © 2009 Elsevier Ltd. This is an open access article available under an Elsevier user license (http://www.elsevier.com/open-access/userlicense/1.0/)en
dc.subjectAfrican chimpanzeesen
dc.subjectTool useen
dc.subjectTransmissionen
dc.subjectConventionsen
dc.subjectTraditionsen
dc.subjectPredationen
dc.subjectDolphinsen
dc.subjectMahaleen
dc.subjectDebateen
dc.subjectQL Zoologyen
dc.subject.lccQLen
dc.titleWild chimpanzees rely on cultural knowledge to solve an experimental honey acquisition tasken
dc.typeJournal articleen
dc.description.versionPublisher PDFen
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.doihttps://doi.org/10.1016/j.cub.2009.08.060
dc.description.statusPeer revieweden


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