Non-invasive administration of 17β-estradiol rapidly increases aggressive behavior in non-breeding, but not breeding, male song sparrows

@article{Heimovics2015NoninvasiveAO,
  title={Non-invasive administration of 17β-estradiol rapidly increases aggressive behavior in non-breeding, but not breeding, male song sparrows},
  author={Sarah A. Heimovics and Jennifer K Ferris and Kiran K. Soma},
  journal={Hormones and Behavior},
  year={2015},
  volume={69},
  pages={31-38}
}
17β-Estradiol (E2) acts in the brain via genomic and non-genomic mechanisms to influence physiology and behavior. There is seasonal plasticity in the mechanisms by which E2 activates aggression, and non-genomic mechanisms appear to predominate during the non-breeding season. Male song sparrows (Melospiza melodia) display E2-dependent territorial aggression throughout the year. Field studies show that song sparrow aggression during a territorial intrusion is similar in the non-breeding and… CONTINUE READING
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Return of the gonads (retrospective on DOI 10.1002/bies.201200081).

BioEssays : news and reviews in molecular, cellular and developmental biology • 2015
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