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dc.contributor.authorSoldati, Adrian
dc.contributor.authorMuhumuza, Geresomu
dc.contributor.authorDezecache, Guillaume
dc.contributor.authorFedurek, Pawel
dc.contributor.authorTaylor, Derry
dc.contributor.authorCall, Josep
dc.contributor.authorZuberbühler, Klaus
dc.date.accessioned2022-08-16T15:30:01Z
dc.date.available2022-08-16T15:30:01Z
dc.date.issued2022-08-16
dc.identifier280466877
dc.identifier4d670108-4f7e-4316-9532-4c3f2bc9359e
dc.identifier85136109874
dc.identifier000841035400001
dc.identifier.citationSoldati , A , Muhumuza , G , Dezecache , G , Fedurek , P , Taylor , D , Call , J & Zuberbühler , K 2022 , ' The ontogeny of vocal sequences: insights from a newborn wild chimpanzee (Pan troglodytes schweinfurthii) ' , International Journal of Primatology . https://doi.org/10.1007/s10764-022-00321-yen
dc.identifier.issn0164-0291
dc.identifier.otherORCID: /0000-0001-8378-088X/work/117567713
dc.identifier.otherORCID: /0000-0002-8597-8336/work/117568024
dc.identifier.urihttps://hdl.handle.net/10023/25856
dc.descriptionFunding: The study was funded by Swiss National Science Foundation awarded to KZ (310030_185324), the St Leonard College Inter-University scholarship awarded to JC and KZ, the Swiss universities cotutelle grant and the Santander Mobility Grant awarded to AS.en
dc.description.abstractObservations of early vocal behaviours in non-human primates (hereafter primates) are important for direct comparisons between human and primate vocal development. However, direct observations of births and perinatal behaviour in wild primates are rare, and the initial stages of behavioural ontogeny usually remain undocumented. Here, we report direct observations of the birth of a wild chimpanzee ( Pan troglodytes schweinfurthii ) in Budongo Forest, Uganda, including the behaviour of the mother and other group members. We monitored the newborn’s vocal behaviour for approximately 2 hours and recorded 70 calls. We categorised the vocalisations both qualitatively, using conventional call descriptions, and quantitatively, using cluster and discriminant acoustic analyses. We found evidence for acoustically distinct vocal units, produced both in isolation and in combination, including sequences akin to adult pant hoots, a vocal utterance regarded as the most complex vocal signal produced by this species. We concluded that chimpanzees possess the capacity to produce vocal sequences composed of different call types from birth, albeit in rudimentary forms. Our observations are in line with the idea that primate vocal repertoires are present from birth, though fine acoustic structures likely undergo ontogenetic processes. Our study provides rare and valuable empirical data on perinatal behaviours in wild primates.
dc.format.extent1419536
dc.language.isoeng
dc.relation.ispartofInternational Journal of Primatologyen
dc.subjectBirthen
dc.subjectCall combinationsen
dc.subjectPan troglodytes schweinfurthiien
dc.subjectVocal behaviouren
dc.subjectBF Psychologyen
dc.subjectNDASen
dc.subject.lccBFen
dc.titleThe ontogeny of vocal sequences: insights from a newborn wild chimpanzee (Pan troglodytes schweinfurthii)en
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.contributor.institutionUniversity of St Andrews. Institute of Behavioural and Neural Sciencesen
dc.identifier.doi10.1007/s10764-022-00321-y
dc.description.statusPeer revieweden
dc.date.embargoedUntil2022-08-16


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