Sexual size dimorphism in bighorn sheep (Ovis canadensis): effects of population density

@inproceedings{Leblanc2001SexualSD,
  title={Sexual size dimorphism in bighorn sheep (Ovis canadensis): effects of population density},
  author={Myl{\`e}ne Leblanc and Marco Festa-Bianchet and Jon T. Jorgenson},
  year={2001}
}
Sexual dimorphism is an important characteristic of many mammals, but little is known about how environmental variables may affect its phenotypic expression. The relationships between population size, body mass, seasonal mass changes, and sexual mass dimorphism were investigated using 22 years of data on individually marked bighorn sheep (Ovis canadensis) on Ram Mountain, Alberta. The number of adult ewes was artificially maintained low from 1972 to 1981 and then allowed to increase. The body… CONTINUE READING

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