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Cougar Food Habits in Southern Utah

Bruce B. Ackerman, Frederick G. Lindzey and Thomas P. Hemker
The Journal of Wildlife Management
Vol. 48, No. 1 (Jan., 1984), pp. 147-155
Published by: Wiley on behalf of the Wildlife Society
DOI: 10.2307/3808462
Stable URL: http://www.jstor.org/stable/3808462
Page Count: 9
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Cougar Food Habits in Southern Utah
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Abstract

Diets of cougars (Felis concolor) were studied from December 1978 to August 1981, on a 4,500-km2 study area near Escalante, Utah. Prey eaten by cougars was estimated from analysis of 112 animals consumed as prey and from 239 cougar scats. Composition of diet was corrected based on feeding trials using captive cougars. Mule deer (Odocoileus hemionus) were found to be the major prey item, 81% of biomass consumed. Lagomorphs, large rodents, and smaller predators were also important components of the diet. Cattle comprised less than 1% of the diet, although they were abundant on the cougars' summer range. Age structure of deer killed by cougars indicated that older (>7 years) deer were killed more often than expected (P < 0.005).

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