Brown Bear Predation on Domestic Sheep Registered with Mortality Transmitters

January 1, 1997

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Create Date 1 January 1997
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During 1989, 291 lambs in 3 herds of domestic sheep were tagged with silent mortality transmitters prior to release onto open, coniferous forest range in southeast Norway. Twenty-six lamb carcasses were recovered. Lamb mortality was attributed to disease (19%), accidents (22%), and predation (59%). In addition to the dead lambs, the carcasses of 21 ewes were also recovered. Of these, 20 were attributed to predation. Brown bear (Ursus arctos) was the sole predator implicated. Use of silent mortality transmitters was found to be highly effective in the prompt recovery of sheep carcasses in rugged, densely vegetated terrain.

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