Endocrine Responses of White-Crowned Sparrows to Environmental Stress

@article{Wingfield1982EndocrineRO,
  title={Endocrine Responses of White-Crowned Sparrows to Environmental Stress},
  author={J. Wingfield and J. P. Smith and D. Farner},
  journal={The Condor},
  year={1982},
  volume={84},
  pages={399-409}
}
--Field and laboratory investigations were conducted to assess the effects of selected stressors on White-crowned Sparrows (Zonotrichia leucophrys gambelii and Z. 1. pugetensis). Within a few minutes after capture during the nonbreeding winter phase, the birds' plasma corticosterone increased, whereas their already low levels of luteinizing hormone (LH) and dihydrotesterone (DHT) declined further. In contrast, in the summer, or breeding phase, corticosterone levels increased much more slowly… Expand
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