Male age and its association with reproductive traits in captive and wild house sparrows.
Girndt A, Cockburn G, Sánchez Tójar A, Hertel M, Burke T, Schroeder J (2019)
Journal of evolutionary biology 32(12): 1432-1443.
Zeitschriftenaufsatz
| Veröffentlicht | Englisch
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Autor*in
Girndt, Antje;
Cockburn, Glenn;
Sánchez Tójar, AlfredoUniBi ;
Hertel, Moritz;
Burke, Terry;
Schroeder, Julia
Einrichtung
Abstract / Bemerkung
Evolutionary theory predicts that females seek extra-pair fertilisations from high-quality males. In socially monogamous bird species, it is often old males that are most successful in extra-pair fertilisations. Adaptive models of female extra-pair mate choice suggest that old males may produce offspring of higher genetic quality than young males because they have proven their survivability. However, old males are also more likely to show signs of reproductive senescence, such as reduced sperm quality. To better understand why old males account for a disproportionally large number of extra-pair offspring and what the consequences of mating with old males are, we compared several sperm traits of both captive and wild house sparrows, Passer domesticus. Sperm morphological traits and cloacal protuberance volume (a proxy for sperm load) of old and young males did not differ substantially. However, old males delivered almost three times more sperm to the female's egg than young males. We discuss the possibility of a post-copulatory advantage for old over young males and the consequences for females mated with old males
Stichworte
extra‐pair paternity gamete selection internal fertilization multiple mating polygamy sperm competition
Erscheinungsjahr
2019
Zeitschriftentitel
Journal of evolutionary biology
Band
32
Ausgabe
12
Seite(n)
1432-1443
Urheberrecht / Lizenzen
ISSN
1010-061x
eISSN
1420-9101
Finanzierungs-Informationen
Open-Access-Publikationskosten wurden durch die Universität Bielefeld im Rahmen des DEAL-Vertrags gefördert.
Page URI
https://pub.uni-bielefeld.de/record/2937578
Zitieren
Girndt A, Cockburn G, Sánchez Tójar A, Hertel M, Burke T, Schroeder J. Male age and its association with reproductive traits in captive and wild house sparrows. Journal of evolutionary biology. 2019;32(12):1432-1443.
Girndt, A., Cockburn, G., Sánchez Tójar, A., Hertel, M., Burke, T., & Schroeder, J. (2019). Male age and its association with reproductive traits in captive and wild house sparrows. Journal of evolutionary biology, 32(12), 1432-1443. doi:10.1111/jeb.13542
Girndt, Antje, Cockburn, Glenn, Sánchez Tójar, Alfredo, Hertel, Moritz, Burke, Terry, and Schroeder, Julia. 2019. “Male age and its association with reproductive traits in captive and wild house sparrows.”. Journal of evolutionary biology 32 (12): 1432-1443.
Girndt, A., Cockburn, G., Sánchez Tójar, A., Hertel, M., Burke, T., and Schroeder, J. (2019). Male age and its association with reproductive traits in captive and wild house sparrows. Journal of evolutionary biology 32, 1432-1443.
Girndt, A., et al., 2019. Male age and its association with reproductive traits in captive and wild house sparrows. Journal of evolutionary biology, 32(12), p 1432-1443.
A. Girndt, et al., “Male age and its association with reproductive traits in captive and wild house sparrows.”, Journal of evolutionary biology, vol. 32, 2019, pp. 1432-1443.
Girndt, A., Cockburn, G., Sánchez Tójar, A., Hertel, M., Burke, T., Schroeder, J.: Male age and its association with reproductive traits in captive and wild house sparrows. Journal of evolutionary biology. 32, 1432-1443 (2019).
Girndt, Antje, Cockburn, Glenn, Sánchez Tójar, Alfredo, Hertel, Moritz, Burke, Terry, and Schroeder, Julia. “Male age and its association with reproductive traits in captive and wild house sparrows.”. Journal of evolutionary biology 32.12 (2019): 1432-1443.
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