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Vocal universals and geographic variations in the acoustic repertoire of the common bottlenose dolphin

2021Journal article Open access
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dc.contributor.authorLuís, A. R.
dc.contributor.authorMay-Collado, L. J.
dc.contributor.authorRako-Gospić, N.
dc.contributor.authorGridley, T.
dc.contributor.authorPapale, E.
dc.contributor.authorAzevedo, A.
dc.contributor.authorSilva, M. A.
dc.contributor.authorBuscaino, G.
dc.contributor.authorHerzing, D.
dc.contributor.authordos Santos, M. E.
dc.date.accessioned2021-06-16T15:59:32Z
dc.date.available2021-06-16T15:59:32Z
dc.date.issued2021
dc.description.abstractAcoustical geographic variation is common in widely distributed species and it is already described for several taxa, at various scales. In cetaceans, intraspecific variation in acoustic repertoires has been linked to ecological factors, geographical barriers, and social processes. For the common bottlenose dolphin (Tursiops truncatus), studies on acoustic variability are scarce, focus on a single signal type-whistles and on the influence of environmental variables. Here, we analyze the acoustic emissions of nine bottlenose dolphin populations across the Atlantic Ocean and the Mediterranean Sea, and identify common signal types and acoustic variants to assess repertoires' (dis)similarity. Overall, these dolphins present a rich acoustic repertoire, with 24 distinct signal sub-types including: whistles, burst-pulsed sounds, brays and bangs. Acoustic divergence was observed only in social signals, suggesting the relevance of cultural transmission in geographic variation. The repertoire dissimilarity values were remarkably low (from 0.08 to 0.4) and do not reflect the geographic distances among populations. Our findings suggest that acoustic ecology may play an important role in the occurrence of intraspecific variability, as proposed by the 'environmental adaptation hypothesis'. Further work may clarify the boundaries between neighboring populations, and shed light into vocal learning and cultural transmission in bottlenose dolphin societies.pt_PT
dc.description.sponsorshipFundação para a Ciência e Tecnologia - FCTpt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationLuís, A. R., May-Collado, L. J., Rako-Gospic, N., Gridley, T., Papale, E., Azevedo, A., Silva, M. A., Buscaino, G., Herzing, D. & Santos, M. E. dos (2021). Vocal universals and geographic variations in the acoustic repertoire of the common bottlenose dolphin. Scientific Reports, 11(1) 1-9 https://doi.org/10.1038/s41598-021-90710-9pt_PT
dc.identifier.doi10.1038/s41598-021-90710-9pt_PT
dc.identifier.issn20452322
dc.identifier.urihttp://hdl.handle.net/10400.12/8178
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherNature Publishing Grouppt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.titleVocal universals and geographic variations in the acoustic repertoire of the common bottlenose dolphinpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F90037%2F2012/PT
oaire.citation.conferencePlaceUnited Kingdonpt_PT
oaire.citation.endPage9pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleScientific Reportspt_PT
oaire.citation.volume11pt_PT
oaire.fundingStreamSFRH
person.familyNameFrancisco Luís
person.givenNameAna Rita
person.identifier.ciencia-id2316-8D5D-FD34
person.identifier.orcid0000-0002-2075-1974
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication.latestForDiscoveryc6d0cb01-7a34-4671-85e2-7ca8fc7ebbda
relation.isProjectOfPublication69115bae-4436-4073-8b23-04b8a0c36a51
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