Rocky Mountain wolf, Canis lupus, an endangered species that is recovering, seen here with a bison herd in Yellowstone Park.

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Rocky Mountain wolf, Canis lupus, an endangered species that is recovering, seen here with a bison herd in the Lamar Valley of Yellowstone National Park.

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Size: 3528px × 2352px
Location: Yellowstone National Park, Wyoming, USA
Photo credit: © Jeff Holcombe / Alamy / Afripics
License: Licensed
Model Released: No

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