How sexual selection can drive the evolution of costly sperm ornamentation

@article{Lpold2016HowSS,
  title={How sexual selection can drive the evolution of costly sperm ornamentation},
  author={Stefan L{\"u}pold and Mollie K Manier and Nalini Puniamoorthy and Christopher Schoff and William T. Starmer and Shannon H. Buckley Luepold and John M. Belote and Scott Pitnick},
  journal={Nature},
  year={2016},
  volume={533},
  pages={535-538}
}
Post-copulatory sexual selection (PSS), fuelled by female promiscuity, is credited with the rapid evolution of sperm quality traits across diverse taxa. Yet, our understanding of the adaptive significance of sperm ornaments and the cryptic female preferences driving their evolution is extremely limited. Here we review the evolutionary allometry of exaggerated sexual traits (for example, antlers, horns, tail feathers, mandibles and dewlaps), show that the giant sperm of some Drosophila species… CONTINUE READING
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