1972•UrsusRequires access
Aspects of Evolution and Adaptation in American Black Bears (Ursus americanus Pallas) and Brown and Grizzly Bears (U. arctos Linné.) of North America
Stephen Herrero
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Abstract
Stephen Herrero, Aspects of Evolution and Adaptation in American Black Bears (Ursus americanus Pallas) and Brown and Grizzly Bears (U. arctos Linné.) of North America, Bears: Their Biology and Management, Vol. 2, A Selection of Papers from the Second International Conference on Bear Research and Management, Calgary, Alberta, Canada, 6-9 November 1970. IUCN Publications New Series no. 23 (1972), pp. 221-231