Yellowstone's Lamar Valley has been called “America’s Serengeti” because it is home to such a dizzying array of wildlife—wolves included. https://on.natgeo.com/2HMZ67A

Yellowstone's Lamar Valley has been called “America’s Serengeti” because it is home to such a dizzying array of wildlife—wolves included. https://on.natgeo.com/2HMZ67A 

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