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Long-distance vocalizations of spotted hyenas contain individual, but not group, signatures

Long-distance vocalizations of spotted hyenas contain individual, but not group, signatures

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LEHMANN, Kenna D. S., Frants H. JENSEN, Andrew S. GERSICK, Ariana STRANDBURG-PESHKIN, Kay E. HOLEKAMP, 2022. Long-distance vocalizations of spotted hyenas contain individual, but not group, signatures. In: Proceedings of the Royal Society of London, Series B : Biological Sciences. Royal Society of London. 289(1979), 20220548. ISSN 0950-1193. eISSN 1471-2954. Available under: doi: 10.1098/rspb.2022.0548

@article{Lehmann2022-07-27Longd-58144, title={Long-distance vocalizations of spotted hyenas contain individual, but not group, signatures}, year={2022}, doi={10.1098/rspb.2022.0548}, number={1979}, volume={289}, issn={0950-1193}, journal={Proceedings of the Royal Society of London, Series B : Biological Sciences}, author={Lehmann, Kenna D. S. and Jensen, Frants H. and Gersick, Andrew S. and Strandburg-Peshkin, Ariana and Holekamp, Kay E.}, note={Article Number: 20220548} }

<rdf:RDF xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dspace="http://digital-repositories.org/ontologies/dspace/0.1.0#" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:void="http://rdfs.org/ns/void#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/58144"> <dcterms:issued>2022-07-27</dcterms:issued> <dcterms:title>Long-distance vocalizations of spotted hyenas contain individual, but not group, signatures</dcterms:title> <dc:creator>Lehmann, Kenna D. S.</dc:creator> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <dc:creator>Gersick, Andrew S.</dc:creator> <dc:creator>Jensen, Frants H.</dc:creator> <dc:contributor>Holekamp, Kay E.</dc:contributor> <dcterms:hasPart rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/58144/1/Lehmann_2-1b4emvexi5war9.pdf"/> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dc:creator>Strandburg-Peshkin, Ariana</dc:creator> <dc:rights>terms-of-use</dc:rights> <dc:contributor>Jensen, Frants H.</dc:contributor> <dspace:hasBitstream rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/58144/1/Lehmann_2-1b4emvexi5war9.pdf"/> <dspace:isPartOfCollection rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/28"/> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2022-07-26T06:39:04Z</dcterms:available> <dc:contributor>Gersick, Andrew S.</dc:contributor> <dcterms:abstract xml:lang="eng">In animal societies, identity signals are common, mediate interactions within groups, and allow individuals to discriminate group-mates from out-group competitors. However, individual recognition becomes increasingly challenging as group size increases and as signals must be transmitted over greater distances. Group vocal signatures may evolve when successful in-group/out-group distinctions are at the crux of fitness-relevant decisions, but group signatures alone are insufficient when differentiated within-group relationships are important for decision-making. Spotted hyenas are social carnivores that live in stable clans of less than 125 individuals composed of multiple unrelated matrilines. Clan members cooperate to defend resources and communal territories from neighbouring clans and other mega carnivores; this collective defence is mediated by long-range (up to 5 km range) recruitment vocalizations, called whoops. Here, we use machine learning to determine that spotted hyena whoops contain individual but not group signatures, and that fundamental frequency features which propagate well are critical for individual discrimination. For effective clan-level cooperation, hyenas face the cognitive challenge of remembering and recognizing individual voices at long range. We show that serial redundancy in whoop bouts increases individual classification accuracy and thus extended call bouts used by hyenas probably evolved to overcome the challenges of communicating individual identity at long distance.</dcterms:abstract> <dc:contributor>Lehmann, Kenna D. S.</dc:contributor> <dc:language>eng</dc:language> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2022-07-26T06:39:04Z</dc:date> <dcterms:isPartOf rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/28"/> <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/58144"/> <dc:creator>Holekamp, Kay E.</dc:creator> <dc:contributor>Strandburg-Peshkin, Ariana</dc:contributor> <dcterms:rights rdf:resource="https://rightsstatements.org/page/InC/1.0/"/> </rdf:Description> </rdf:RDF>

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