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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 status of North American migrants in central Amazonian Brazil
We review the status of North American migrants in Amazonia and present recent records of the authors and co-workers. We report migration dates, maximum counts and new distributional information forExpand
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Aedes albopictus in Florida.
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Changes in Blood Levels of Thyroid Hormones in Two Species of Passerine Birds
Annual changes in plasma levels of thyroxine (T4) and triiodothyronine (T3) were compared in White-crowned Sparrows (Zonotrichia leucophrys gambelii) and House Sparrows (Passer domesticus) usingExpand
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The Circadian Component in the Photoperiodic Mechanism of the House Sparrow, Passer domesticus
As in other photoperiodic species of birds, long days (>ca. 9 h) cause growth and development of the testes in male house sparrows (Passer domesticus). The logarithmic growth rate (k) is essentiallyExpand
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Alcohol and other drug use among adolescents: family and peer influences.
The relationships among age, gender, involvement in family activities, involvement in peer activities, and teenage alcohol and other drug use were examined. Data from a random sample of SouthExpand
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An update on Aedes albopictus in Florida.
Aedes albopictus has been reported from 2 Florida counties. This note updates those 2 infestations and reports 9 new county records, tests of pooled mosquitoes for Eastern equine encephalitis virusExpand
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Thermal comfort study of one window-walled room