Evolution of bird song affects signal efficacy: an experimental test using historical and current signals.

  title={Evolution of bird song affects signal efficacy: an experimental test using historical and current signals.},
  author={Elizabeth Perrault Derryberry},
  journal={Evolution; international journal of organic evolution},
  volume={61 8},
Mating signals act as behavioral barriers to gene flow in many animal taxa, yet little is known about how signal evolution within populations contributes to the formation of these barriers. Although variation in mating signals among populations is known to affect mating behavior, there is no direct evidence that the evolution of mating signals changes signal effectiveness within a natural population. Making use of historical recordings of bird song, I found that both male and female white… CONTINUE READING
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