Approaches to Augmenting Grizzly Bear Populations in the Cabinet Mountains of Montana

January 1, 1987

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The grizzly bear (Ursus arctos horribilis) in the Cabinet Mountains of Montana is threatened and the population may consist of as few as 15 individuals. Survival of this semi-isolated population depends on innovative habitat and population management techniques. Because potential for immigration into this population is low and the population is small, population augmentation is being considered. Possible augmentation techniques include moving animals of selected age and sex from high-density areas into the area and cross-fostering captive-born grizzly bear cubs to selected black bear (U. americanus) females resident in the area. Although the potential success of these efforts are not known, it is known that without such efforts, the survival of this population cannot be assured.

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