Seasonality and hormonal control of territorial aggression in female song sparrows (Passeriformes : Emberizidae : Melospiza melodia)

@inproceedings{Elekonich2000SeasonalityAH,
  title={Seasonality and hormonal control of territorial aggression in female song sparrows (Passeriformes : Emberizidae : Melospiza melodia)},
  author={Michelle M Elekonich and John C Wingfield},
  year={2000}
}
Male and female song sparrows perform similar aggressive behaviors including flights, wing-wave threat displays, and growls. Females very rarely sing, however. To investigate the seasonal variation and hormonal control of territorial aggression in females, we simulated female intrusions during the pre-breeding, breeding and post-molt seasons in the field. Circulating levels of testosterone, dihydrotestosterone, estradiol, progesterone and corticosterone in females experiencing simulated… CONTINUE READING

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