High Mortality of a Population of Cowbirds Wintering at Columbus, Ohio
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Date
1967-01
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Abstract
High mortality was experienced during two heavy rainfalls by a wintering population of Cowbirds in Columbus, Ohio. Their death was associated with a soaking of their feathers, and their inability to fly and to remain on their perches in the roost. Causes of death may be associated with the lowering of their body temperature, enhanced by bathing in streams containing detergents.
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The Ohio Journal of Science. v67 n1 (January, 1967), 46-50