Casper, WY. – In 2016, University of Wyoming biologists placed collars on a herd of 40 mule deer in the Red Desert area of Wyoming, something of a seemingly regular occurrence, as deer and other wildlife are often tracked by collars in order to monitor migration patterns and track the health of herds.

But in this herd particular, researchers would find an exceptional doe that would travel some 250 miles.

While most of the 40 monitored deer in this herd stopped when they reached the northwest corner of the state, waiting for winter weather to push them back South toward the Hoback. Doe number 255, as designated by her GPS collar, didn’t stop, but continued northward. She climbed the Gros Ventre Range, traveled over the Teton foothills, and headed west into the Island Park region of Idaho.

Biologists were impressed with her migration pattern and progress, and were eager to see if she would return to her herd. Was she an anomoly?

Researchers were about to be even more impressed, by what they would find nearly two years later.

Original article by Christine Peterson, Casper Star-Tribune |

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