Greater Yellowstone Ecosystem

wildlife-ecology

Yellowstone bison are the continent’s largest wild land animals and a living link to pre-settlement ecosystems. This guide explains what makes the Yellowstone herd genetically...

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geography_and_access

Yellowstone National Park sits primarily in northwestern Wyoming, extending into southern Montana and eastern Idaho. Its core lies about 150 miles north of Denver, 275 miles eas...

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environment

Bear 399 is an individual brown bear (Ursus arctos) monitored across several seasons in the Greater Yellowstone Ecosystem. Researchers and managers use the identifier 399 to tra...

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