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Selection levels on vocal individuality: strategic use or byproduct


Wyman, Megan T; Walkenhorst, Britta; Manser, Marta B (2022). Selection levels on vocal individuality: strategic use or byproduct. Current Opinion in Behavioral Sciences, 46:101140.

Abstract

In animals, large variation for vocal individuality between and within call types exist, yet we know little on what level selection is taking place. Identifying the selection pressures causing this variation in individuality will provide insight into the evolutionary relationships between cognitive and behavioral processes and communication systems, particularly in group-living species where repeated interactions are common. Analyzing a species’ full, large vocal repertoire on individual signatures, its biological function, and the respective selection pressures is challenging. Here, we emphasize that comparing the acoustic individual distinctiveness between life-history stages and different subjects within a call type will allow the identification of selection pressures and enhance the understanding of variation in individuality and its potential strategic use by senders.

Abstract

In animals, large variation for vocal individuality between and within call types exist, yet we know little on what level selection is taking place. Identifying the selection pressures causing this variation in individuality will provide insight into the evolutionary relationships between cognitive and behavioral processes and communication systems, particularly in group-living species where repeated interactions are common. Analyzing a species’ full, large vocal repertoire on individual signatures, its biological function, and the respective selection pressures is challenging. Here, we emphasize that comparing the acoustic individual distinctiveness between life-history stages and different subjects within a call type will allow the identification of selection pressures and enhance the understanding of variation in individuality and its potential strategic use by senders.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Evolutionary Biology and Environmental Studies
Special Collections > NCCR Evolving Language
Special Collections > Centers of Competence > Center for the Interdisciplinary Study of Language Evolution
Dewey Decimal Classification:570 Life sciences; biology
590 Animals (Zoology)
Scopus Subject Areas:Life Sciences > Cognitive Neuroscience
Health Sciences > Psychiatry and Mental Health
Life Sciences > Behavioral Neuroscience
Uncontrolled Keywords:Behavioral Neuroscience, Psychiatry and Mental health, Cognitive Neuroscience
Language:English
Date:1 August 2022
Deposited On:26 Sep 2022 06:23
Last Modified:27 Apr 2024 01:39
Publisher:Elsevier
ISSN:2352-1546
OA Status:Closed
Publisher DOI:https://doi.org/10.1016/j.cobeha.2022.101140
Project Information:
  • : FunderUniversität Zürich
  • : Grant ID
  • : Project Title