Morphological adaptations to song flight in passerine birds: a comparative study

@article{Hedenstrm1992MorphologicalAT,
  title={Morphological adaptations to song flight in passerine birds: a comparative study},
  author={Anders Hedenstr{\"o}m and Anders Pape M{\o}ller},
  journal={Proceedings of the Royal Society of London. Series B: Biological Sciences},
  year={1992},
  volume={247},
  pages={183 - 187}
}
Song flight by birds is one of the most energetically expensive results of sexual selection, and behavioural or morphological features which reduce the magnitude of this cost should therefore be selectively advantageous. We use aerodynamical flight theory to predict how changes in morphology affect flight performance during song flight display. If manoeuvrability and gliding flight during aerial displays were important, this should favour reduced body size and increased wing span and wing area… Expand

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