Keyword: Yellowstone National Park
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ANI032-00186
Bison (Bison bison) in the snow.
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WOL003-00002
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.
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PEO020-00206
A woman looks out a tour bus window at Yellowstone National Park, Wyoming.
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A scene from Yellowstone National Park, Wyoming.
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A scene from Yellowstone National Park, Wyoming.
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A scene from Yellowstone National Park, Wyoming.
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A scene from Yellowstone National Park, Wyoming.
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A photographer at Yellowstone National Park, Wyoming.
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A scene from Yellowstone National Park, Wyoming.
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A scene from Yellowstone National Park, Wyoming.
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A scene from Yellowstone National Park, Wyoming.
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A scene from Yellowstone National Park, Wyoming.
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A scene from Yellowstone National Park, Wyoming.
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WOL003-00131
Wild gray wolf (part of the Druid pack) in Yellowstone National Park’s Lamar Valley.
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PEO006-00161
Ecotourists watch for wolves and other wildlife in Yellowstone National Park. The carcass in the background was killed by a wolf and is a sign that they are close by.
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Ecotourists watch for wolves and other wildlife in Yellowstone National Park.
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Ecotourists watch for wolves and other wildlife in Yellowstone National Park.
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PEO006-00158
Ecotourists watch for wolves and other wildlife in Yellowstone National Park.
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Ecotourists watch for wolves and other wildlife in Yellowstone National Park.
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Wild gray wolves wait to be released into the acclimation pen in Yellowstone National Park as part of the reintroduction program.
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A wild gray wolf waits to be released into the acclimation pen in Yellowstone National Park as part of the reintroduction program.
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A gray wolf released into Yellowstone National Park.
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A gray wolf released into Yellowstone National Park.
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The footprint of a wild gray wolf in the snow in Yellowstone National Park.
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A gray wolf is prepared for reintroduction into Yellowstone National Park.
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Wolf biologists in Yellowstone National Park examine a dead elk for signs of wolf predation.
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WOL009-00022
A worker uses binoculars to track wild gray wolves in Yellowstone National Park.
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Mike Phillips, former director of the Yellowstone wolf reintroduction program uses radio telemetry to track wild gray wolves recently released into the park.
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Volunteers give gray wolf pup its shots in an acclimation pen in Yellowstone National Park.
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Volunteers give gray wolf pup its shots in an acclimation pen in Yellowstone National Park.
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Volunteers give gray wolf pup its shots in an acclimation pen in Yellowstone National Park.
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Wild gray wolf waiting to leave the acclimation pen at Yellowstone National Park as part of the reintroduction program.
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Wild gray wolf leaving the acclimation pen at Yellowstone National Park as part of the reintroduction program.
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Two wild gray wolves wait to be released into the acclimation pen in Yellowstone National Park as part of the reintroduction program.
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Gray wolf tracks on a snow-covered road in Yellowstone National Park.
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Gray wolf tracks on a snow-covered road in Yellowstone National Park.