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dc.contributor.authorBiro, Dora-
dc.contributor.authorInoue-Nakamura, Noriko-
dc.contributor.authorTonooka, Rikako-
dc.contributor.authorYamakoshi, Ren-
dc.contributor.authorSousa, Cláudia-
dc.contributor.authorMatsuzawa, Tetsuro-
dc.date.accessioned2010-02-07T06:59:46Z-
dc.date.available2010-02-07T06:59:46Z-
dc.date.issued2003-
dc.identifier.issn1435-9448-
dc.identifier.urihttp://hdl.handle.net/10362/2608-
dc.descriptionAnimal Cognition, V.6, pp. 213-223en_US
dc.description.abstractChimpanzees (Pan troglodytes) are the most proficient and versatile users of tools in the wild. How such skills become integrated into the behavioural repertoire of wild chimpanzee communities is investigated here by drawing together evidence from three complementary approaches in a group of oil-palm nut- (Elaeis guineensis) cracking chimpanzees at Bossou, Guinea. First, extensive surveys of communities adjacent to Bossou have shown that population- specific details of tool use, such as the selection of species of nuts as targets for cracking, cannot be explained purely on the basis of ecological differences. Second, a 16-year longitudinal record tracing the development of nutcracking in individual chimpanzees has highlighted the importance of a critical period for learning (3–5 years of age), while the similar learning contexts experienced by siblings have been found to result in near-perfect (13 out of 14 dyads) inter-sibling correspondence in laterality. Third, novel data from field experiments involving the introduction of unfamiliar species of nuts to the Bossou group illuminates key aspects of both cultural innovation and transmission. We show that responses of individuals toward the novel items differ markedly with age, with juveniles being the most likely to explore. Furthermore, subjects are highly specific in their selection of conspecifics as models for observation, attending to the nut-cracking activities of individuals in the same age group or older, but not younger than themselves. Together with the phenomenon of intercommunity migration, these results demonstrate a mechanism for the emergence of culture in wild chimpanzees.en_US
dc.language.isoengen_US
dc.publisherSpringeren_US
dc.relation.ispartofseries;V.6-
dc.rightsclosedAccessen_US
dc.subjectChimpanzees (Pan troglodytes verus)en_US
dc.subjectTool useen_US
dc.subjectSocial transmissionen_US
dc.subjectCultureen_US
dc.titleCultural innovation and transmission of tool use in wild chimpanzees:evidence from field experimentsen_US
dc.typearticleen_US
Aparece nas colecções:FCSH: DA - Artigos em revista internacional com arbitragem científica
FCSH: CRIA - Artigos em revista internacional com arbitragem científica

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