Publikation: Increased signal complexity is associated with increased mating success
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The evolution of complex signals has often been explored by testing multiple functional hypotheses regarding how independent signal components provide selective benefits to offset the costs of their production. In the present study, we take a different approach by exploring the function of complexity per se. We test the hypothesis that increased vibratory signal complexity—based on both proportional and temporal patterning—provides selective benefits to courting male Schizocosa stridulans wolf spiders. In support of this hypothesis, all of our quantified metrics of vibratory signal complexity predicted the mating success of male S. stridulans. The rate of visual signalling, which is mechanistically tied to vibratory signal production, was also associated with mating success. We additionally found evidence that males can dynamically adjust the complexity of their vibratory signalling. Together, our results suggest that complexity per se may be a target of female choice.
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CHOI, Noori, Matt ADAMS, Kasey FOWLER-FINN, Elise KNOWLTON, Malcolm ROSENTHAL, Aaron RUNDUS, Roger D. SANTER, Dustin WILGERS, Eileen A. HEBETS, 2022. Increased signal complexity is associated with increased mating success. In: Biology Letters. Royal Society of London. 2022, 18(5), 20220052. ISSN 1744-9561. eISSN 1744-957X. Available under: doi: 10.1098/rsbl.2022.0052BibTex
@article{Choi2022-05Incre-67617, year={2022}, doi={10.1098/rsbl.2022.0052}, title={Increased signal complexity is associated with increased mating success}, number={5}, volume={18}, issn={1744-9561}, journal={Biology Letters}, author={Choi, Noori and Adams, Matt and Fowler-Finn, Kasey and Knowlton, Elise and Rosenthal, Malcolm and Rundus, Aaron and Santer, Roger D. and Wilgers, Dustin and Hebets, Eileen A.}, note={Article Number: 20220052} }
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