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Endocrine Responses of White-Crowned Sparrows to Environmental Stress
--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 minutesExpand
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The Endocrinology of a Natural Breeding Population of the White-Crowned Sparrow (Zonotrichia leucophrys pugetensis)
The levels of immunoreactive luteinizing hormone (irLH), testosterone, dihydrotestosterone (DHT), estradiol, estrone, and corticosterone have been measured through the course of the breeding seasonExpand
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The determination of five steroids in avian plasma by radioimmunoassay and competitive protein-binding
A method has been developed for the simultaneous determination of testosterone, 5alpha-dihydrotestosterone and corticosterone, or of estrone, estradiol-17beta and corticosterone, after separation onExpand
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annual cycles to that of the synchronizing role of a Zeitgeber, in the sense of Aschoff (1955), for an innate quasi-annual reproductive periodicity. Photoperiodism, thus defined, is a part of theExpand
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Physiologic properties of steroid hormone-binding proteins in avian blood.
The physiologic properties of steroid hormone-binding proteins have been partially characterized in plasmas of 23 avian species (8 orders and 12 families). A specific sex hormone-binding proteinExpand
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