Lamar Valley images - Joel Sartore

Photo: For the first time in decades, wolves again chase elk through the Lamar Valley of Yellowstone.

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For the first time in decades, wolves again chase elk through the Lamar Valley of Yellowstone. The reintroduction of wolves has been a great success, drawing a new generation of visitors to the park.

Photo: A pack of wild gray wolves (Rose Creek Pack) in the Specimen Ridge area of the Lamar Valley.

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A pack of wild gray wolves (Rose Creek Pack) in the Specimen Ridge area of the Lamar Valley.

Photo: Wild gray wolf (part of the Druid pack) in Yellowstone National Park's Lamar Valley.

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Wild gray wolf (part of the Druid pack) in Yellowstone National Park’s Lamar Valley.

Photo: A wild gray wolf in Yellowstone National Park's Lamar Valley.

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A wild gray wolf in Yellowstone National Park’s Lamar Valley.

Photo: A wild gray wolf in Yellowstone National Park's Lamar Valley.

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A wild gray wolf in Yellowstone National Park’s Lamar Valley.

Photo: A wild gray wolf in Yellowstone National Park's Lamar Valley.

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A wild gray wolf in Yellowstone National Park’s Lamar Valley.

Photo: A wild gray wolf in Yellowstone National Park's Lamar Valley.

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A wild gray wolf in Yellowstone National Park’s Lamar Valley.

Photo: A wild gray wolf makes its way through the snow in Yellowstone National Park's Lamar Valley.

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A wild gray wolf makes its way through the snow in Yellowstone National Park’s Lamar Valley. (Chief Joseph Pack)

Photo: A wild gray wolf makes its way through the snow in Yellowstone National Park's Lamar Valley.

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A wild gray wolf makes its way through the snow in Yellowstone National Park’s Lamar Valley. (Chief Joseph Pack)

Photo: A wild gray wolf makes its way through the snow in Yellowstone National Park's Lamar Valley.

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A wild gray wolf makes its way through the snow in Yellowstone National Park’s Lamar Valley. (Chief Joseph Pack)

Photo: A wild gray wolf makes its way through the snow in Yellowstone National Park's Lamar Valley.

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A wild gray wolf makes its way through the snow in Yellowstone National Park’s Lamar Valley. (Chief Joseph Pack)

Photo: A wild gray wolf makes its way through the snow in Yellowstone National Park's Lamar Valley.

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A wild gray wolf makes its way through the snow in Yellowstone National Park’s Lamar Valley. (Chief Joseph Pack)

Photo: A wild gray wolf makes its way through the snow in Yellowstone National Park's Lamar Valley.

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A wild gray wolf makes its way through the snow in Yellowstone National Park’s Lamar Valley. (Chief Joseph Pack)

Photo: A wild gray wolf makes its way through the snow in Yellowstone National Park's Lamar Valley.

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A wild gray wolf makes its way through the snow in Yellowstone National Park’s Lamar Valley. (Chief Joseph Pack)

Photo: A wild gray wolf makes its way through the snow in Yellowstone National Park's Lamar Valley.

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A wild gray wolf makes its way through the snow in Yellowstone National Park’s Lamar Valley. (Chief Joseph Pack)

Photo: Wild gray wolf marking territory in Yellowstone National Park's Lamar Valley.

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Wild gray wolf marking territory in Yellowstone National Park’s Lamar Valley.

Photo: Wild gray wolf in Yellowstone National Park's Lamar Valley.

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Wild gray wolf in Yellowstone National Park’s Lamar Valley.

Photo: Wild gray wolf in Yellowstone National Park's Lamar Valley.

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Wild gray wolf in Yellowstone National Park’s Lamar Valley.

Photo: Members of the Druid Peak pack of wild gray wolves hunt elk in Yellowstone National Park's Lamar Valley.

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Members of the Druid Peak pack of wild gray wolves hunt elk in Yellowstone National Park’s Lamar Valley.

Photo: Two members of the Rose Creek Pack of wild gray wolves in Yellowstone National Park's Lamar Valley.

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Two members of the Rose Creek Pack of wild gray wolves in Yellowstone National Park’s Lamar Valley.

Photo: A wild gray wolf chases an elk through the snow in Yellowstone National Park's Lamar Valley.

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A wild gray wolf chases an elk through the snow in Yellowstone National Park’s Lamar Valley.

Photo: Members of the Rose Creek pack of wild gray wolves in Yellowstone National Park's Lamar Valley.

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Members of the Rose Creek pack of wild gray wolves in Yellowstone National Park’s Lamar Valley.

Photo: Members of the Rose Creek Pack in Yellowstone National Park's Lamar Valley

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Members of the Rose Creek Pack in Yellowstone National Park’s Lamar Valley

Photo: Wild gray wolves in Yellowstone National Park's Lamar Valley.

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Wild gray wolves in Yellowstone National Park’s Lamar Valley. (Rose Creek Pack)

Photo: A pack of wild gray wolves make their way through the snow in Yellowstone National Park's Lamar Valley.

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A pack of wild gray wolves make their way through the snow in Yellowstone National Park’s Lamar Valley. (Druid Peak Pack)

Photo: Wild gray wolf in Yellowstone National Park's Lamar Valley.(Rose Creek Pack)

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Wild gray wolf in Yellowstone National Park’s Lamar Valley.(Rose Creek Pack)

Photo: A pack of wild gray wolves make their way through the snow in Yellowstone National Park's Lamar Valley.

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A pack of wild gray wolves make their way through the snow in Yellowstone National Park’s Lamar Valley. (Druid Peak Pack)

Photo: Members of the Druid Peak pack of wild gray wolves in Yellowstone National Park's Lamar Valley.

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Members of the Druid Peak pack of wild gray wolves in Yellowstone National Park’s Lamar Valley.

Photo: Wild gray wolf (member of the Rose Creek Pack) in Yellowstone National Park's Lamar Valley.

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Wild gray wolf (member of the Rose Creek Pack) in Yellowstone National Park’s Lamar Valley.

Photo: Members of the Druid Peak pack of wild gray wolves in Yellowstone National Park's Lamar Valley.

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Members of the Druid Peak pack of wild gray wolves in Yellowstone National Park’s Lamar Valley.

Photo: Wild gray wolves in Yellowstone National Park's Lamar Valley.

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Wild gray wolves in Yellowstone National Park’s Lamar Valley. (Nez Perce Pack)

Photo: Wild gray wolf in Yellowstone National Park's Lamar Valley.

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Wild gray wolf in Yellowstone National Park’s Lamar Valley. (Chief Joseph Pack)

Photo: Wild gray wolf in Yellowstone National Park's Lamar Valley.(Rose Creek Pack)

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Wild gray wolf in Yellowstone National Park’s Lamar Valley.(Rose Creek Pack)

Photo: Wild gray wolf in Yellowstone National Park's Lamar Valley.

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Wild gray wolf in Yellowstone National Park’s Lamar Valley. (Rose Creek Pack)

Photo: Wild gray wolf in Yellowstone National Park's Lamar Valley.

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Wild gray wolf in Yellowstone National Park’s Lamar Valley. (Rose Creek Pack)

Photo: A wild gray wolf (member of the Druid Peak pack) is silhouetted as it crosses a ridge in Yellowstone National Park's Lamar Valley.

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A wild gray wolf (member of the Druid Peak pack) is silhouetted as it crosses a ridge in Yellowstone National Park’s Lamar Valley.

Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E: j.jensen@wvc.org

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