Typical versions of learned swamp sparrow song types are more effective signals than are less typical versions.

@article{Lachlan2014TypicalVO,
  title={Typical versions of learned swamp sparrow song types are more effective signals than are less typical versions.},
  author={Robert Lachlan and R C Anderson and Susan S. Peters and William A Searcy and Stephen Nowicki},
  journal={Proceedings. Biological sciences},
  year={2014},
  volume={281 1785},
  pages={20140252}
}
The learned songs of songbirds often cluster into population-wide types. Here, we test the hypothesis that male and female receivers respond differently to songs depending on how typical of those types they are. We used computational methods to cluster a large sample of swamp sparrow (Melospiza georgiana) songs into types and to estimate the degree to which individual song exemplars are typical of these types. We then played exemplars to male and female receivers. Territorial males responded… CONTINUE READING

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