Physiological Suppression of Sexual Function of Subordinate Males: A Subtle Form of Intrasexual Competition Among Male Sifakas (Propithecus verreauxi)?

@article{Kraus1999PhysiologicalSO,
  title={Physiological Suppression of Sexual Function of Subordinate Males: A Subtle Form of Intrasexual Competition Among Male Sifakas (Propithecus verreauxi)?},
  author={Cornelia Kraus and Michael Heistermann and Peter M. Kappeler},
  journal={Physiology & Behavior},
  year={1999},
  volume={66},
  pages={855-861}
}
In contrast to most anthropoid primates, sifakas (Propithecus verreauxi), like many group-living lemurs, exhibit a number of features that deviate from predictions of sexual selection theory. Despite a promiscuous mating system, they lack sexual dimorphism, suggesting that physical combat plays only a minor role in intrasexual competition for receptive females. In this study, we investigated the hypothesis that socioendocrinological mechanisms contribute to suppression of reproductive function… CONTINUE READING

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