Viability costs of male tail ornaments in a swallow

@article{Mller1989ViabilityCO,
  title={Viability costs of male tail ornaments in a swallow},
  author={Anders Pape M{\o}ller},
  journal={Nature},
  year={1989},
  volume={339},
  pages={132-135}
}
  • Anders Pape Møller
  • Published in Nature 1989
  • Biology
  • MALE sexual ornaments that increase mating success may evolve even when they decrease other components of fitness such as survival1–9. But natural covariation between the apparent level of investment in such ornaments and fitness components such as mating success, fecundity and survival, does not provide incontrovertible evidence that the ornaments are costly, because uncontrolled variables such as overall health5 may affect several components of fitness at the same time10–12. By experimental… CONTINUE READING

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