Tens of thousands of elk move in masses from low, hilly country outside Yellowstone National Park into forested mountains and high meadows. They dot the landscape near Cody, Jackson and portions of ...

Hundreds of years ago, animals covered the West’s mountains and plains. Antelope, mule deer and elk moved back and forth across Wyoming’s landscape. They wandered into the mountains in the spring and ...

Elk migrate through the Absaroka Range in this photo from the recent short film “Elk River,” which documents one Wyoming elk herd’s epic migration through the greater Yellowstone ecosystem.

After logging 800 miles in eight months in the Yellowstone backcountry last year, photographer Joe Riis has a much greater respect for the Cody elk herd he was tracking, the country they inhabit and ...

The increase in the Northern Yellowstone elk herd count this winter may be an anomaly. Early, heavy snow may have blocked some elk from their normal migration route from Yellowstone National Park's ...

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 ...