Secondary sexual characters signal fighting ability and determine social rank in Alpine ibex (Capra ibex)

  title={Secondary sexual characters signal fighting ability and determine social rank in Alpine ibex (Capra ibex)},
  author={Patrick Bergeron and Stefano Grignolio and Marco Apollonio and Bill Shipley and Marco Festa-Bianchet},
  journal={Behavioral Ecology and Sociobiology},
Social dominance is a fundamental aspect of male evolutionary ecology in polygynous mammals because it determines access to estrous females. As it is rarely possible to monitor marked individuals of known morphology, little is known about the determinants of male dominance. We studied the social structure of Alpine ibex males in Gran Paradiso National Park, Italy in 2003, 2006, and 2007. Dominance interactions produced a linear social hierarchy. In ibex males, body mass and horn length are key… CONTINUE READING


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