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Grand Teton National Park Report

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The objectives of this study are to document effects of parasitism on vole populations, and to determine the potential of small mammals of Grand Teton National Park to serve as reservoirs of human parasites. Specific goals for this year were: 1. to continue surveying small mammals for Babesia microti; 2. to collect and identify ticks found with these animals; 3. to determine if Ixodes eastoni is a tick vector of B. microti; 4. to determine the incidence of Campylobacter spp. in these small mammals; and 5. to continue documentation of the occurrence of Giardia as an intestinal parasite of the montane vole.