Kin selection may contribute to lek evolution and trait introgression across an avian hybrid zone.

@article{Concannon2012KinSM,
  title={Kin selection may contribute to lek evolution and trait introgression across an avian hybrid zone.},
  author={Moira R Concannon and Adam C. Stein and J Albert C Uy},
  journal={Molecular ecology},
  year={2012},
  volume={21 6},
  pages={
          1477-86
        }
}
Understanding the mechanism(s) that favour cooperation among individuals competing for the same resources provides direct insights into the evolution of grouping behaviour. In a hybrid zone between golden-/yellow-collared (Manacus vitellinus) and white-collared (Manacus candei) manakins, males form aggregations composed of white and yellow males solely to attract females ('mixed leks'). Previous work shows that yellow males in these mixed leks experience a clear mating advantage over white… CONTINUE READING
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