Joel Sartore Joel Sartore

National Geographic Photographer and Speaker

Keyword: Yellowstone

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: Grizzly cubs with their mother at Yellowstone National Park.

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Grizzly cubs with their mother at Yellowstone National Park.

Photo: A wolf-killed elk carcass in Yellowstone National Park.

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A wolf-killed elk carcass in Yellowstone National Park.

Photo: Wolf biologist David Mech tracks reintroduced gray wolves in Yellowstone National Park.

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Wolf biologist David Mech tracks reintroduced gray wolves in Yellowstone National Park.

Photo: Wolf biologist David Mech tracks reintroduced gray wolves in Yellowstone National Park.

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Wolf biologist David Mech tracks reintroduced gray wolves in Yellowstone National Park.

Photo: Wolf biologist David Mech tracks reintroduced gray wolves in Yellowstone National Park.

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Wolf biologist David Mech tracks reintroduced gray wolves in Yellowstone National Park.

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 in Yellowstone National Park's Fountain Flats area.

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Wild gray wolf in Yellowstone National Park’s Fountain Flats area.

Photo: Wild gray wolf in Yellowstone National Park's Fountain Flats area.

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Wild gray wolf in Yellowstone National Park’s Fountain Flats area.

Photo: Wild gray wolf in Yellowstone National Park's Fountain Flats area.

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Wild gray wolf in Yellowstone National Park’s Fountain Flats area.

Photo: Wild gray wolf in Yellowstone National Park's Fountain Flats area.

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Wild gray wolf in Yellowstone National Park’s Fountain Flats area.

Photo: Wild gray wolf in Yellowstone National Park's Fountain Flats area.

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Wild gray wolf in Yellowstone National Park’s Fountain Flats area. (Nez Perce 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: A wild gray wolf in the snow at night in Yellowstone National Park.

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A wild gray wolf in the snow at night in Yellowstone National Park.

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: 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 stalking elk in Yellowstone National Park.

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Wild gray wolf stalking elk in Yellowstone National Park.

Photo: Wild gray wolf stalking elk in Yellowstone National Park.

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Wild gray wolf stalking elk in Yellowstone National Park.

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

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