The effect of social structure on vocal flexibility in monk parakeets
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Le résumé fourni par la source
The social complexity hypothesis argues that communicative complexity arises as a result of social complexity, with this occurring through mechanisms including plasticity and selection. Most research to date has focused on ultimate drivers of repertoire size, for example finding that cooperative breeding species exhibit larger repertoires. Until this date, to our knowledge, no study has focused on individual-level drivers of vocal diversity. Here, we examine social networks and vocalizations in wild colonial-nesting monk parakeets ( Myiopsitta monachus ). We recorded social networks for 337 individuals, relatedness for 100 individuals and matched these with 5599 vocalizations from 229 individuals over 2 years. Overall, we found that all individuals exhibited high contact-call diversity; however, individual-level diversity increased with age in 2020 and with number of nest mates in 2021. Call similarity was not predicted by relatedness, but individuals with stronger affiliative bonds had more dissimilar calls, suggesting an active process to sound unique among close associates. Finally, females had more diverse repertoires, producing relatively fewer contact calls across years and individuals living in larger groups had more diverse repertoires in 2021. Our results demonstrate a multi-faceted social influence on call content, diversity and repertoire diversity, exhibiting how fine-scale variation in social structure can influence expressed vocal complexity.
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Le contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.
- Titre Crossref
- The effect of social structure on vocal flexibility in monk parakeets
- Date Crossref
- 01/05/2025
- Éditeur
- The Royal Society
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.
Où se fait cette recherche
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University of Konstanz Department of Biology pays non établi dans la noticeUniversité ou école supérieure
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Max Planck Institute of Animal Behavior Cognitive and Cultural Ecology Research Group pays non établi dans la noticeStructure de recherche
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Max Planck Institute for Evolutionary Anthropology Department of Human Behavior pays non établi dans la noticeStructure de recherche
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Museu de Ciències Naturals de Barcelona pays non établi dans la noticeStructure de recherche
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Australian National University pays non établi dans la noticeUniversité ou école supérieure
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University of Zurich Department of Evolutionary Biology and Environmental Science pays non établi dans la noticeUniversité ou école supérieure
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Institut de Biologia Evolutiva pays non établi dans la noticeStructure de recherche
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Research School of Biology Division of Ecology and Evolution pays non établi dans la noticeUniversité ou école supérieure
Department of Biology — University of Konstanz, Cognitive and Cultural Ecology Research Group — Max Planck Institute of Animal Behavior et Department of Human Behavior — Max Planck Institute for Evolutionary Anthropology, avec 5 autres affiliations.
Une affiliation ne permet pas de déduire la nationalité d’un auteur.