Photo of the Day

a wolf pack in Yellowstone National Park
April 15, 2016

Back on Track

The Mollie’s wolf pack investigates grizzly bear tracks in Yellowstone’s Pelican Valley. Wolves were reintroduced into the park beginning in 1995, and Yellowstone now has the full complement of large animals that existed there before Europeans arrived in North America.

See more pictures from the May 2016 feature story "Yellowstone: Wild Heart of a Continent."

Photograph by Ronan Donovan

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