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Effects of Radio-collaring on Deer Mouse Survival and Vulnerability to Ermine Predation

Richard J. Douglass
The American Midland Naturalist
Vol. 127, No. 1 (Jan., 1992), pp. 198-199
DOI: 10.2307/2426335
Stable URL: http://www.jstor.org/stable/2426335
Page Count: 2
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Abstract

During a telemetry study of deer mice, five of nine animals carrying radio collars were killed and cached by an ermine. Five of 10 animals without collars were also killed by the ermine. After the ermine died or emigrated, survival rates of deer mice carrying radio collars were not lower than those of animals without collars. Data from this study do not support the hypothesis that radio collars make rodents more susceptible to predation and less likely to survive.

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