Fission-fusion dynamics over large distances in raven non-breeders

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LORETTO, Matthias-Claudio, Richard SCHUSTER, Christian ITTY, Pascal MARCHAND, Fulvio GENERO, Thomas BUGNYAR, 2017. Fission-fusion dynamics over large distances in raven non-breeders. In: Scientific Reports. Springer Nature. 7(1), 380. eISSN 2045-2322. Available under: doi: 10.1038/s41598-017-00404-4

@article{Loretto2017Fissi-49974, title={Fission-fusion dynamics over large distances in raven non-breeders}, year={2017}, doi={10.1038/s41598-017-00404-4}, number={1}, volume={7}, journal={Scientific Reports}, author={Loretto, Matthias-Claudio and Schuster, Richard and Itty, Christian and Marchand, Pascal and Genero, Fulvio and Bugnyar, Thomas}, note={Article Number: 380} }

<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/123456789/49974"> <dc:contributor>Schuster, Richard</dc:contributor> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <dc:creator>Loretto, Matthias-Claudio</dc:creator> <dcterms:abstract xml:lang="eng">The influence of fission-fusion dynamics, i.e., temporal variation in group size and composition, on social complexity has been studied in large-brained mammals that rely on social bonds. Little is known about birds, even though some species like ravens have recently received attention for their socio-cognitive skills and use of social bonds. While raven breeders defend territories year-round, non-breeders roam through large areas and form groups at food sources or night roosts. We here examined the fission-fusion patterns of non-breeding ravens over years, investigating whether birds meet repeatedly either at the same or at different locations. We combined four large datasets: presence-absence observations from two study sites (Austria, Italy) and GPS-tracking of ravens across two study areas (Austria, France). As expected, we found a highly dynamic system in which individuals with long phases of temporary settlement had a high probability of meeting others. Although GPS-tagged ravens spread out over thousands of square kilometres, we found repeated associations between almost half of the possible combinations at different locations. Such a system makes repeated interactions between individuals at different sites possible and likely. High fission-fusion dynamics may thus not hinder but shape the social complexity of ravens and, possibly, other long-term bonded birds.</dcterms:abstract> <dc:creator>Itty, Christian</dc:creator> <dc:contributor>Genero, Fulvio</dc:contributor> <dcterms:title>Fission-fusion dynamics over large distances in raven non-breeders</dcterms:title> <dcterms:isPartOf rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/28"/> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dc:creator>Bugnyar, Thomas</dc:creator> <dc:contributor>Itty, Christian</dc:contributor> <dc:creator>Genero, Fulvio</dc:creator> <dc:creator>Schuster, Richard</dc:creator> <dc:contributor>Bugnyar, Thomas</dc:contributor> <dc:language>eng</dc:language> <dc:contributor>Marchand, Pascal</dc:contributor> <dc:contributor>Loretto, Matthias-Claudio</dc:contributor> <dc:creator>Marchand, Pascal</dc:creator> <dspace:isPartOfCollection rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/28"/> <dcterms:rights rdf:resource="http://creativecommons.org/licenses/by/4.0"/> <dcterms:issued>2017</dcterms:issued> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2020-06-23T08:07:05Z</dcterms:available> <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/49974"/> <dspace:hasBitstream rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/49974/3/Loretto_2-eqn1ylzc0p2p1.pdf"/> <dcterms:hasPart rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/49974/3/Loretto_2-eqn1ylzc0p2p1.pdf"/> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2020-06-23T08:07:05Z</dc:date> </rdf:Description> </rdf:RDF>

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