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After 11 Years, Longest-Migrating Mule Deer Dies in Wyoming’s Red Desert


Press Release

University of Wyoming


A Wyoming mule deer that migrated farther than any other deer known to science has died. Deer 255’s life of migrations ended in the Red Desert of Wyoming, about 200 miles from her most recent summer range in Jackson Hole. She was 10 years and 10 months old.

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