Yellowstone's migrating bison manipulate springtime green-up

On a typical June day in Yellowstone, it's not unusual to see hundreds of bison grazing in the Lamar Valley. The herds appear to aimlessly move back and forth through meadows threaded by a winding river, just passive figures ...

One deer's journey: An epic migration is revealed in new maps

In the spring of 2016, a determined mule deer did something that, as far as anyone knows, no other mule deer had done before: She traveled a whopping 242 miles from southwest Wyoming to eastern Idaho in the greatest migration ...

First-ever atlas of big-game migrations

The first-ever atlas of ungulate migration was released this week, detailing the ecology and conservation of migratory big-game species including mule deer, elk and pronghorn in Wyoming, the greater Yellowstone ecosystem ...

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