Effect of auxiliary males on territory ownership in the oribi and the attributes of multimale groups

@article{Arcese1999EffectOA,
  title={Effect of auxiliary males on territory ownership in the oribi and the attributes of multimale groups},
  author={Peter Arcese},
  journal={Animal Behaviour},
  year={1999},
  volume={57},
  pages={61-71}
}
  • P. Arcese
  • Published 31 January 1999
  • Biology
  • Animal Behaviour
I observed free-ranging oribi, Ourebia ourebi, in Serengeti National Park, Tanzania, to determine whether group formation by males provides evidence for cooperative territory defence, a behaviour that is rare among male vertebrates. Socially dominant males that shared territories with subordinate auxiliary males were replaced by rivals less often than males that defended territories without auxiliary males. Auxiliary males marked territories with preorbital glands, dung and urine, and… 
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