Modulation by steroid hormones of a "sexy" acoustic signal in an Oscine species, the Common Canary Serinus canaria.

@article{Rybak2004ModulationBS,
  title={Modulation by steroid hormones of a "sexy" acoustic signal in an Oscine species, the Common Canary Serinus canaria.},
  author={Fanny Rybak and Manfred Gahr},
  journal={Anais da Academia Brasileira de Ciencias},
  year={2004},
  volume={76 2},
  pages={365-7}
}
The respective influence of testosterone and estradiol on the structure of the Common Canary Serinus canaria song was studied by experimentally controlling blood levels of steroid hormones in males and analyzing the consequent effects on acoustic parameters. A detailed acoustic analysis of the songs produced before and after hormonal manipulation revealed that testosterone and estradiol seem to control distinct song parameters independently. The presence of receptors for testosterone and… CONTINUE READING

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