Physiological costs enforce the honesty of lek display in the black grouse (Tetrao tetrix)

@article{Lebigre2012PhysiologicalCE,
  title={Physiological costs enforce the honesty of lek display in the black grouse (Tetrao tetrix)},
  author={Christophe Lebigre and Rauno V. Alatalo and Heli Siitari},
  journal={Oecologia},
  year={2012},
  volume={172},
  pages={983-993}
}
Females may use condition-dependent sexual traits as reliable cues of male “quality” if the costs of the expression of such traits vary with male “quality”, and if there is positive genetic correlation between male traits and condition. However, there are multiple ways of measuring the changes in body condition which reflect physiological costs meaning that the multifaceted nature of the physiological costs associated with the expression of sexual traits has rarely been thoroughly examined. In… CONTINUE READING