The intensity of sexual selection predicts weapon size in male bovids.

@article{BroJrgensen2007TheIO,
  title={The intensity of sexual selection predicts weapon size in male bovids.},
  author={Jakob Bro-J\orgensen},
  journal={Evolution; international journal of organic evolution},
  year={2007},
  volume={61 6},
  pages={1316-26}
}
As a classical example of a sexually selected trait, the horns of male bovids offer a prime opportunity to identify predictors of the intensity of sexual selection. Here I use the comparative method to quantify sexual and natural selection pressures behind interspecific variation in horn length. I show that male horn length depends on factors proposed to affect the mean mate number per mating male, correlating positively with group size and negatively with male territoriality. This suggests… CONTINUE READING

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