A technical document, part of the current draft environmental impact statement on Yellowstone snowmobile use tells that the requirement that snowmobilers have guides has reduced, but not eliminated, the stress snowmobiles create on the wintering wildlife.
Bald Eagles are the species that show the most stress, followed by elk and coyotes. While the grooming of roads affects bison, especially those bison deep the in the Park, the bison was the animal that showed the lowest stress response of those studied.
Story in the Jackson Hole News and Guide. By Corey Hatch.
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Ralph Maughan
Dr. Ralph Maughan is professor emeritus of political science at Idaho State University with specialties in natural resource politics, public opinion, interest groups, political parties, voting and elections. Aside from academic publications, he is author or co-author of three hiking/backpacking guides, and he is past President of the Western Watersheds Project.
