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dc.contributor.authorGarland, Ellen Clare
dc.contributor.authorGarrigue, Claire
dc.contributor.authorNoad, Michael
dc.date.accessioned2021-12-16T10:30:13Z
dc.date.available2021-12-16T10:30:13Z
dc.date.issued2022-01-31
dc.identifier.citationGarland , E C , Garrigue , C & Noad , M 2022 , ' When does cultural evolution become cumulative culture? A case study of humpback whale song ' , Philosophical Transactions of the Royal Society B: Biological Sciences , vol. 377 , no. 1843 , 20200313 . https://doi.org/10.1098/rstb.2020.0313en
dc.identifier.issn0962-8436
dc.identifier.otherPURE: 276193713
dc.identifier.otherPURE UUID: 0805e770-0f13-4edd-9427-b4af94b3988d
dc.identifier.otherORCID: /0000-0002-8240-1267/work/105007149
dc.identifier.otherScopus: 85122391474
dc.identifier.otherWOS: 000729479600016
dc.identifier.urihttp://hdl.handle.net/10023/24522
dc.descriptionFunding: ECG is currently funded by a Royal Society University Research Fellowship (UF160081). Previous song analysis contributing to this manuscript was supported by grants from the Sea World Research and Rescue Foundation Inc., the Australian Department of the Environment, Water, Heritage and the Arts, the Winifred Violet Scott Estate, and Tangalooma Marine Education and Research Foundation to MJN and ECG, an Australian Postgraduate award to ECG and from the International Fund for Animal Welfare (IFAW) to the South Pacific Whale Research Consortium (SPWRC). Surveys of humpback whales in New Caledonia were made possible by contributions from Fondation d’Entreprise Total and Total Pacifique, the Provinces Sud, North and Isles, and Inco S.A.en
dc.description.abstractCulture presents a second inheritance system by which innovations can be transmitted between generations and among individuals. Some vocal behaviours present compelling examples of cultural evolution. Where modifications accumulate over time, such a process can become cumulative cultural evolution. The existence of cumulative cultural evolution in non-human animals is controversial. When physical products of such a process do not exist, modifications may not be clearly visible over time. Here, we investigate whether the constantly evolving songs of humpback whales (Megaptera novaeangliae) are indicative of cumulative cultural evolution. Using nine years of song data recorded from the New Caledonian humpback whale population, we quantified song evolution and complexity, and formally evaluated this process in light of criteria for cumulative cultural evolution. Song accumulates changes shown by an increase in complexity, but this process is punctuated by rapid loss of song material. While such changes tentatively satisfy the core criteria for cumulative cultural evolution, this claim hinges on the assumption that novel songs are preferred by females. While parsimonious, until such time as studies can link fitness benefits (reproductive success) to individual singers, any claims that humpback whale song evolution represents a form of cumulative cultural evolution may remain open to interpretation.
dc.format.extent11
dc.language.isoeng
dc.relation.ispartofPhilosophical Transactions of the Royal Society B: Biological Sciencesen
dc.rightsCopyright © 2021 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.en
dc.subjectSongen
dc.subjectCultural evolutiionen
dc.subjectCultural revolutionen
dc.subjectComplexityen
dc.subjectCetaceansen
dc.subjectSocial learningen
dc.subjectGC Oceanographyen
dc.subjectQH301 Biologyen
dc.subjectDASen
dc.subject.lccGCen
dc.subject.lccQH301en
dc.titleWhen does cultural evolution become cumulative culture? A case study of humpback whale songen
dc.typeJournal articleen
dc.contributor.sponsorThe Royal Societyen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews. Centre for Social Learning & Cognitive Evolutionen
dc.contributor.institutionUniversity of St Andrews. Sea Mammal Research Uniten
dc.contributor.institutionUniversity of St Andrews. School of Biologyen
dc.identifier.doihttps://doi.org/10.1098/rstb.2020.0313
dc.description.statusPeer revieweden
dc.identifier.grantnumberUF160081en


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