Food habits of Yellowstone grizzly bears, 1977–1987
作者： David J. Mattson , Bonnie M. Blanchard , Richard R. Knight
DOI: 10.1139/Z91-226
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摘要: Food habits of grizzly bears were studied for 11 years in the Yellowstone area Wyoming, Montana, and Idaho by analyzing scats. Ungulate remains constituted a major portion early-season scats,...
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