Male phenotype, fertility, and the pursuit of extra-pair copulations by female birds

@article{Sheldon1994MalePF,
  title={Male phenotype, fertility, and the pursuit of extra-pair copulations by female birds},
  author={Ben C. Sheldon},
  journal={Proceedings of the Royal Society of London. Series B: Biological Sciences},
  year={1994},
  volume={257},
  pages={25 - 30}
}
  • B. Sheldon
  • Published 22 July 1994
  • Biology
  • Proceedings of the Royal Society of London. Series B: Biological Sciences
In field and laboratory studies of birds, positive associations between male phenotype and success at obtaining extra-pair copulations or extra-pair fertilizations are often interpreted as providing evidence that females are using extra-pair copulations to obtain indirect benefits for their offspring, either through genes for increased viability, or for a fisherian mating advantage. I describe a simple model, in which functional fertility (the success of ejaculates in fertilizing eggs) covaries… Expand
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