CHEYENNE, Wyo. — The life-or-death journey made by mule deer during the second-longest big game migration in North America came down to their ability to squeeze through a fence — a discovery made by ...

A mule deer migration corridor that extends roughly 90 miles over the Wind River Range from east of Dubois, Wyoming, to Grand Teton National Park should be identified to ensure it is protected, ...

If you’ve spent much time in Wyoming, chances are you’ve seen a mule deer or two. The graceful ungulates are as much a part of Wyoming as the wind and the snow. They dot the sprawling landscapes, ...

Biologists take a blood sample from a mule deer at a capture site outside of Pinedale, Wyo. Researchers are monitoring the animals’ health and tracking their movements with GPS collars to learn more ...