Sexual selection in females and the evolution of polyandry.

Over the last decades, the field of sexual selection underwent a paradigm shift from sexual-stereotype thinking of "eager" males and "coy" females towards a more nuanced perspective acknowledging that not only males but also females can benefit from multiple mating and compete fo...

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Main Authors: Salomé Fromonteil, Lucas Marie-Orleach, Lennart Winkler, Tim Janicke
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2023-01-01
Series:PLoS Biology
Online Access:https://doi.org/10.1371/journal.pbio.3001916
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author Salomé Fromonteil
Lucas Marie-Orleach
Lennart Winkler
Tim Janicke
author_facet Salomé Fromonteil
Lucas Marie-Orleach
Lennart Winkler
Tim Janicke
author_sort Salomé Fromonteil
collection DOAJ
description Over the last decades, the field of sexual selection underwent a paradigm shift from sexual-stereotype thinking of "eager" males and "coy" females towards a more nuanced perspective acknowledging that not only males but also females can benefit from multiple mating and compete for mating partners. Yet, sexual selection in females is still considered a peculiarity, and the evolution of polyandry is often viewed to result from a higher mating interest of males. Here, we present meta-analytic evidence from 77 species across a broad range of animal taxa to demonstrate that female reproductive success is overall positively correlated with mating success, suggesting that females typically benefit from multiple mating. Importantly, we found that these fitness gains likely promote the evolution of polyandry. Our findings offer support for the idea that sexual selection is widespread in females and to play a key role for the evolution of animal mating systems. Thereby, our results extend our understanding of the evolutionary consequences of sexual reproduction and contribute to a more balanced view of how sexual selection operates in males and females.
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spelling doaj.art-99f8a4d592e642f3907dd4123fc911c72023-02-25T05:30:56ZengPublic Library of Science (PLoS)PLoS Biology1544-91731545-78852023-01-01211e300191610.1371/journal.pbio.3001916Sexual selection in females and the evolution of polyandry.Salomé FromonteilLucas Marie-OrleachLennart WinklerTim JanickeOver the last decades, the field of sexual selection underwent a paradigm shift from sexual-stereotype thinking of "eager" males and "coy" females towards a more nuanced perspective acknowledging that not only males but also females can benefit from multiple mating and compete for mating partners. Yet, sexual selection in females is still considered a peculiarity, and the evolution of polyandry is often viewed to result from a higher mating interest of males. Here, we present meta-analytic evidence from 77 species across a broad range of animal taxa to demonstrate that female reproductive success is overall positively correlated with mating success, suggesting that females typically benefit from multiple mating. Importantly, we found that these fitness gains likely promote the evolution of polyandry. Our findings offer support for the idea that sexual selection is widespread in females and to play a key role for the evolution of animal mating systems. Thereby, our results extend our understanding of the evolutionary consequences of sexual reproduction and contribute to a more balanced view of how sexual selection operates in males and females.https://doi.org/10.1371/journal.pbio.3001916
spellingShingle Salomé Fromonteil
Lucas Marie-Orleach
Lennart Winkler
Tim Janicke
Sexual selection in females and the evolution of polyandry.
PLoS Biology
title Sexual selection in females and the evolution of polyandry.
title_full Sexual selection in females and the evolution of polyandry.
title_fullStr Sexual selection in females and the evolution of polyandry.
title_full_unstemmed Sexual selection in females and the evolution of polyandry.
title_short Sexual selection in females and the evolution of polyandry.
title_sort sexual selection in females and the evolution of polyandry
url https://doi.org/10.1371/journal.pbio.3001916
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