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Amerique du nord - Greater Yellowstone Ecosystem (137) Images supplémentaires...
Created in 1872, Yellowstone was the very first national park in the world. It is the centerpiece of the 20 million acre Greater Yellowstone Ecosystem, a region that includes Grand Teton National Park and adjacent National Forests. Considered to be the world's largest intact ecosystem in the northern temperate zone, Yellowstone is well-known for its wildlife and is the most popular megafauna location in the Continental United States, occupied by grizzly bears, wolves, bison and elk. It is located primarily in Wyoming but extends into Montana and Idaho.

Yellowstone has many types of ecosystems, including subalpine forest, mountain ranges, canyons, lakes and rivers. The topography has been shaped by lava flows and volcanic rocks from the still-active Yellowstone Caldera, the largest sup
Kusimanse {Crossarchus obscurus} captive, from West Africa
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Rod Williams / Kusimanse {Crossarchus obscurus} captive, from West Africa
Line of Bison {Bison bison} geysers steaming, Yellowstone National Park, USA.
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Pete Cairns / Line of Bison {Bison bison} geysers steaming, Yellowstone National Park, USA.
Tourists watching the Fountain Paint Pot Geyser erupt. Yellowstone National Park, USA.
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Bryan and Cherry Alexander / Tourists watching the Fountain Paint Pot Geyser erupt. Yellowstone National Park, USA.
Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA
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George McCarthy / Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA
Campsite at twilight, Jenny Lake Campground, Grand Teton National Park, Wyoming, USA
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Jeff Vanuga / Campsite at twilight, Jenny Lake Campground, Grand Teton National Park, Wyoming, USA
Lone Star Geyser erupting in Lone Star Geysyer Basin at night, Yellowstone National Park, Wyoming, USA, October 2007
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Jeff Vanuga / Lone Star Geyser erupting in Lone Star Geysyer Basin at night, Yellowstone National Park, Wyoming, USA, October 2007
Morning glory pool, Old Faithful geyser, Yellowstone NP, Wyoming, USA
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Pete Cairns / Morning glory pool, Old Faithful geyser, Yellowstone NP, Wyoming, USA
Orange Mound Spring in Yellowstone National Park, Wyoming, USA, June 2010.
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Jeff Vanuga / Orange Mound Spring in Yellowstone National Park, Wyoming, USA, June 2010.
Lower falls of the Yellowstone river viewed from Artist point, Yellowstone, USA
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Philippe Clement / Lower falls of the Yellowstone river viewed from Artist point, Yellowstone, USA
Looking over the brink of Lower Falls into Grand Canyon of Yellowstone river, Yellowstone NP, USA.
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Jeff Vanuga / Looking over the brink of Lower Falls into Grand Canyon of Yellowstone river, Yellowstone NP, USA.
People admiring scenery at Brink of the Lower Falls Trail and viewpoint, Grand Canyon of the Yellowstone river, Yellowstone National Park, Wyoming, USA
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Jeff Vanuga / People admiring scenery at Brink of the Lower Falls Trail and viewpoint, Grand Canyon of the Yellowstone river, Yellowstone National Park, Wyoming, USA
Shed antlers of Elk {Cervus elaphus} in Lamar valley, Yellowstone, USA
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Philippe Clement / Shed antlers of Elk {Cervus elaphus} in Lamar valley, Yellowstone, USA
Aerial view of the Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
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Jeff Vanuga / Aerial view of the Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
Colourful run off from geothermal pool formed by algae and bacteria, Yellowstone National Park, Montana, USA
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George McCarthy / Colourful run off from geothermal pool formed by algae and bacteria, Yellowstone National Park, Montana, USA
Cistern Spring in Norris Geyser Basin showing colour of blue green algae and bacteria. Yellowstone National Park, Wyoming, USA, January 2011.
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Jeff Vanuga / Cistern Spring in Norris Geyser Basin showing colour of blue green algae and bacteria. Yellowstone National Park, Wyoming, USA, January 2011.
Native American Teepee rings on Table Mountain near Dubois, Shoshone reserve, Wyoming, USA, May 2009
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Jeff Vanuga / Native American Teepee rings on Table Mountain near Dubois, Shoshone reserve, Wyoming, USA, May 2009
RF- Elk / Red deer (Cervus elaphus) female in mist at dawn. Yellowstone National Park, Wyoming, USA. (This image may be licensed either as rights managed or royalty free.)
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Peter Cairns / RF- Elk / Red deer (Cervus elaphus) female in mist at dawn. Yellowstone National Park, Wyoming, USA. (This image may be licensed either as rights managed or royalty free.)
Two male Elk {Cervus canadensis} in velvet, resting in foggy meadow at dawn, Yellowstone National Park, Wyoming, USA, July
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Jeff Vanuga / Two male Elk {Cervus canadensis} in velvet, resting in foggy meadow at dawn, Yellowstone National Park, Wyoming, USA, July
Elk {Cervus elaphus} male bugling in fog, Yellowstone NP, Wyoming, USA
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Shattil & Rozinski / Elk {Cervus elaphus} male bugling in fog, Yellowstone NP, Wyoming, USA
Bison {Bison bison} bull warming-up next to thermal pool during winter, Yellowstone National Park, USA
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Jeff Vanuga / Bison {Bison bison} bull warming-up next to thermal pool during winter, Yellowstone National Park, USA
Snowmobiling in the Bridger - Teton National Forest on Togwotee Pass near Dubois, Wyoming. Model released, January 2009
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Jeff Vanuga / Snowmobiling in the Bridger - Teton National Forest on Togwotee Pass near Dubois, Wyoming. Model released, January 2009
Snowmobile road in winter. Yellowstone NP, Wyoming, USA
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Pete Cairns / Snowmobile road in winter. Yellowstone NP, Wyoming, USA
Fisherman fishing at sunrise in the Upper Madison River, Yellowstone NP, Wyoming, USA, September 2006
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Nick Garbutt / Fisherman fishing at sunrise in the Upper Madison River, Yellowstone NP, Wyoming, USA, September 2006
Least chipmunk {Eutamias minimus} on head of photographer Mark Hamblin in Yellowstone NP, WY, USA Model released.
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Pete Cairns / Least chipmunk {Eutamias minimus} on head of photographer Mark Hamblin in Yellowstone NP, WY, USA Model released.
First light on mountains of the Teton range with storm clouds above and Snake river in the foreground, Grand Teton National Park, Wyoming, USA
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Jack Dykinga / First light on mountains of the Teton range with storm clouds above and Snake river in the foreground, Grand Teton National Park, Wyoming, USA
Silhouette of Gray Wolf (Canis lupus) standing on a rock by the Yellowstone River. Yellowstone National Park, USA,
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Jeff Vanuga / Silhouette of Gray Wolf (Canis lupus) standing on a rock by the Yellowstone River. Yellowstone National Park, USA,
Mule deer silhouette {Odocoileus hemionus} Yellowstone NP, Wyoming, USA.
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Jeff Vanuga / Mule deer silhouette {Odocoileus hemionus} Yellowstone NP, Wyoming, USA.
Bison {Bison bison} Grand Teton National Park in spring, Wyoming, USA
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Jeff Vanuga / Bison {Bison bison} Grand Teton National Park in spring, Wyoming, USA
Grizzly Bear (Ursus arctos horribilis) portrait. Yellowstone National Park, Wyoming, USA, October.
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Jeff Vanuga / Grizzly Bear (Ursus arctos horribilis) portrait. Yellowstone National Park, Wyoming, USA, October.
Young Black bear (Ursus americanus) cub climbing mature fir tree, Yellowstone National Park, Wyoming, USA, May
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George Sanker / Young Black bear (Ursus americanus) cub climbing mature fir tree, Yellowstone National Park, Wyoming, USA, May
Black bear (Ursus americanus) cub, brown phase, looking out from behind tree trunk, Yellowstone National Park, Wyoming, USA, May
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George Sanker / Black bear (Ursus americanus) cub, brown phase, looking out from behind tree trunk, Yellowstone National Park, Wyoming, USA, May
Black bear (Ursus americanus) cubs, male and female, one black the other brown, playing roughly, Yellowstone National Park, Wyoming, USA, May
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George Sanker / Black bear (Ursus americanus) cubs, male and female, one black the other brown, playing roughly, Yellowstone National Park, Wyoming, USA, May
Female Black bear (Ursus americanus) scratching back against tree, Yellowstone National Park, Wyoming, USA, May
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George Sanker / Female Black bear (Ursus americanus) scratching back against tree, Yellowstone National Park, Wyoming, USA, May
Male North American red squirrel (Tamiasciurus hudsonicus) alarm calling, Yellowstone National Park, Wyoming, USA, June
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George Sanker / Male North American red squirrel (Tamiasciurus hudsonicus) alarm calling, Yellowstone National Park, Wyoming, USA, June
Least chipmunk {Eutamais minimus} in pine forest, Yellowstone NP, Wyoming, USA
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Pete Cairns / Least chipmunk {Eutamais minimus} in pine forest, Yellowstone NP, Wyoming, USA
Travertine mineral deposits on Orange Mound Spring, Mammoth Terraces, Yellowstone National Park, Wyoming, USA
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Jeff Vanuga / Travertine mineral deposits on Orange Mound Spring, Mammoth Terraces, Yellowstone National Park, Wyoming, USA
Thermal hot springs along the Firehold River, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA, October 2008
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Jeff Vanuga / Thermal hot springs along the Firehold River, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA, October 2008
Giant Geyser in the Upper Geyser Basin of Yellowstone National Park, Wyoming, USA
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Jeff Vanuga / Giant Geyser in the Upper Geyser Basin of Yellowstone National Park, Wyoming, USA
Thermophile mats formed by algae, bacteria and other heat loving micro-organismsms, in hot springs Black Sand Basin, Yellowstone, USA
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Philippe Clement / Thermophile mats formed by algae, bacteria and other heat loving micro-organismsms, in hot springs Black Sand Basin, Yellowstone, USA
Doublet Pool showing mineral deposition. Gesyer Hill Complex, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA, September 2006.
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Jeff Vanuga / Doublet Pool showing mineral deposition. Gesyer Hill Complex, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA, September 2006.
RF- Mt Moran and Snake river at oxbow bend. Grand Teton National Park, Wyoming, USA. Autumn. (This image may be licensed either as rights managed or royalty free.)
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Peter Cairns / RF- Mt Moran and Snake river at oxbow bend. Grand Teton National Park, Wyoming, USA. Autumn. (This image may be licensed either as rights managed or royalty free.)
Oxbow bend in Snake river on misty morning. Grand Teton NP, Wyoming, USA
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Bernard Castelein / Oxbow bend in Snake river on misty morning. Grand Teton NP, Wyoming, USA
Great grey owl (Strix nebulosa) perch in a tree at dawn, in a forest in Yellowstone National Park. Wyoming, USA, June
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Diane McAllister / Great grey owl (Strix nebulosa) perch in a tree at dawn, in a forest in Yellowstone National Park. Wyoming, USA, June
Steep Cone geyser, Lower Geyser Basin, Yellowstone NP, Wyoming, USA
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Jeff Vanuga / Steep Cone geyser, Lower Geyser Basin, Yellowstone NP, Wyoming, USA
Grand Prismatic Spring in Midway Geyser Basin, Yellowstone NP, Wyoming, USA
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Hermann Brehm / Grand Prismatic Spring in Midway Geyser Basin, Yellowstone NP, Wyoming, USA
Dead Thermal Spider encased in thermophilic bacteria in hot Spring, Yellowstone National Park, Wyoming, USA, October
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Jeff Vanuga / Dead Thermal Spider encased in thermophilic bacteria in hot Spring, Yellowstone National Park, Wyoming, USA, October
Morning Glory Pool with tourists on boardwalk, Yellowstone NP, Wyoming, USA.
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Philippe Clement / Morning Glory Pool with tourists on boardwalk, Yellowstone NP, Wyoming, USA.
Rustic Falls, Yellowstone National Park, Montana, USA
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George McCarthy / Rustic Falls, Yellowstone National Park, Montana, USA
Man fly fishing on the Firehole River, Yellowstone National Park, Wyoming, USA.
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Jeff Vanuga / Man fly fishing on the Firehole River, Yellowstone National Park, Wyoming, USA.
Harlequin duck (Histrionicus histrionicus) female about to dive into LeHardy Rapids. Yellowstone National Park, Wyoming, USA, May
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Diane McAllister / Harlequin duck (Histrionicus histrionicus) female about to dive into LeHardy Rapids. Yellowstone National Park, Wyoming, USA, May
Portrait of an American Dipper / Water Ouzel (Cinclus mexicanus) standing on a rock in a fast flowing river, Gardner River, Yellowstone National Park, Montana, USA, North America
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Charlie Summers / Portrait of an American Dipper / Water Ouzel (Cinclus mexicanus) standing on a rock in a fast flowing river, Gardner River, Yellowstone National Park, Montana, USA, North America
American beaver shaking off water (Castor canadensis) Grand Teton NP, USA
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Richard Du Toit / American beaver shaking off water (Castor canadensis) Grand Teton NP, USA
American beaver {Castor canadensis} Grand Teton NP, Wyoming, USA
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JEFF FOOTT / American beaver {Castor canadensis} Grand Teton NP, Wyoming, USA
Wild fire rages through Lodgepole pine forest, Yellowstone NP, WY, USA. 1998
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Jeff Vanuga / Wild fire rages through Lodgepole pine forest, Yellowstone NP, WY, USA. 1998
Flames engulf Lodgepole pine trees in forest fire, Yellowstone NP, Wyoming, USA. 1988
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Steven Fuller / Flames engulf Lodgepole pine trees in forest fire, Yellowstone NP, Wyoming, USA. 1988
Flames engulf Lodgepole pine trees in forest fire, Yellowstone NP, Wyoming, USA. 1988
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Steven Fuller / Flames engulf Lodgepole pine trees in forest fire, Yellowstone NP, Wyoming, USA. 1988
Flames engulf Lodgepole pine trees in forest fire, Yellowstone NP, Wyoming, USA. 1988
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Steven Fuller / Flames engulf Lodgepole pine trees in forest fire, Yellowstone NP, Wyoming, USA. 1988
Burnt trunks of Lodgepole pine after forest fire, fire continues to smoulder and Rosebay willowherb flowers, Yellowstone NP, Wyoming, USA. 1988
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Steven Fuller / Burnt trunks of Lodgepole pine after forest fire, fire continues to smoulder and Rosebay willowherb flowers, Yellowstone NP, Wyoming, USA. 1988
Regrowth of vegetation after forest fire in Lodgepole pine forest, Yellowstone NP, Wyoming, USA. 1988
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Steven Fuller / Regrowth of vegetation after forest fire in Lodgepole pine forest, Yellowstone NP, Wyoming, USA. 1988
Regrowth of vegetation after forest fire in Lodgepole pine forest, Yellowstone NP, Wyoming, USA. 1988
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Steven Fuller / Regrowth of vegetation after forest fire in Lodgepole pine forest, Yellowstone NP, Wyoming, USA. 1988
Heartleaf arnica {Arnica cordifolia} flowering in coniferous forest, tree trunks show charring from the great 1988 forest fire, Mount Washburn, Yellowstone NP, Wyoming, USA
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Jack Dykinga / Heartleaf arnica {Arnica cordifolia} flowering in coniferous forest, tree trunks show charring from the great 1988 forest fire, Mount Washburn, Yellowstone NP, Wyoming, USA
Mormon Barn, Grand Teton National Park, Wyoming, USA
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George McCarthy / Mormon Barn, Grand Teton National Park, Wyoming, USA
Bull Bison (Bison bison) warming himself in the steam from the Firehole River, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA, January
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Jeff Vanuga / Bull Bison (Bison bison) warming himself in the steam from the Firehole River, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA, January
Two Bison silhouetted against rising sun {Bison bison} Yellowstone NP, Wyoming, USA
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Pete Cairns / Two Bison silhouetted against rising sun {Bison bison} Yellowstone NP, Wyoming, USA
Lone Bison in mist by Firehole river {Bison bison} Yellowstone NP, Wyoming, USA
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Pete Cairns / Lone Bison in mist by Firehole river {Bison bison} Yellowstone NP, Wyoming, USA
RF- Bison (Bison bison) mother with two calves in summer meadow. Yellowstone National Park, Wyoming, USA. (This image may be licensed either as rights managed or royalty free.)
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Peter Cairns / RF- Bison (Bison bison) mother with two calves in summer meadow. Yellowstone National Park, Wyoming, USA. (This image may be licensed either as rights managed or royalty free.)
Coyote portrait {Canis latrans}, Yellowstone National Park, Wyoming, USA
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TOM MANGELSEN / Coyote portrait {Canis latrans}, Yellowstone National Park, Wyoming, USA
Coyote (Canis latrans) howling at sunset, Yellowstone National Park, Wyoming, USA, June
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George Sanker / Coyote (Canis latrans) howling at sunset, Yellowstone National Park, Wyoming, USA, June
Coyote pouncing for rodents in grass {Canis latrans} Yellowstone NP, Wyoming, USA.
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Jeff Vanuga / Coyote pouncing for rodents in grass {Canis latrans} Yellowstone NP, Wyoming, USA.
Coyote hunts for rodents in grass {Canis latrans} Yellowstone NP, Wyoming, USA.
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Jeff Vanuga / Coyote hunts for rodents in grass {Canis latrans} Yellowstone NP, Wyoming, USA.
Coyote (Canis latrans) pups playing outside den entrance, Yellowstone NP, Montana, USA
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George McCarthy / Coyote (Canis latrans) pups playing outside den entrance, Yellowstone NP, Montana, USA
Ice and snow formations near thermal features in winter, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
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Jeff Vanuga / Ice and snow formations near thermal features in winter, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
Ice and snow formations near thermal features in winter, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
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Jeff Vanuga / Ice and snow formations near thermal features in winter, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
Mount Moran rising above Snake river at dawn in winter, Grand Teton NP, Wyoming, USA
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Jack Dykinga / Mount Moran rising above Snake river at dawn in winter, Grand Teton NP, Wyoming, USA
Female Elk crosses Gibon River at dawn, bull watches, Yellowstone NP, Wyoming, USA.
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Jeff Vanuga / Female Elk crosses Gibon River at dawn, bull watches, Yellowstone NP, Wyoming, USA.
Elk (Red deer) stag at dawn {Cervus elaphus} Yellowstone NP, Wyoming, USA
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Pete Cairns / Elk (Red deer) stag at dawn {Cervus elaphus} Yellowstone NP, Wyoming, USA
Grey wolf {Canis lupus} portrait, West Yellowstone, Montana, USA, captive
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George McCarthy / Grey wolf {Canis lupus} portrait, West Yellowstone, Montana, USA, captive
Grand Canyon of the Yellowstone and the Yellowstone River. Yellowstone National Park, Wyoming, USA, August 2009.
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Jeff Vanuga / Grand Canyon of the Yellowstone and the Yellowstone River. Yellowstone National Park, Wyoming, USA, August 2009.
Bombadier converted for tourist use in the snow at Yellowstone National Park, USA, 1996.
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Bryan and Cherry Alexander / Bombadier converted for tourist use in the snow at Yellowstone National Park, USA, 1996.
Snow coaches at Snow Lodge. Upper Geyser Basin, Yellowstone National Park, Wyoming, January 2008.
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Jeff Vanuga / Snow coaches at Snow Lodge. Upper Geyser Basin, Yellowstone National Park, Wyoming, January 2008.
Tourist watches Elk {Cervus canadensis} crossing the road in Yellowstone National Park, Wyoming, USA, October 2008
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Jeff Vanuga / Tourist watches Elk {Cervus canadensis} crossing the road in Yellowstone National Park, Wyoming, USA, October 2008
Coyote crossing road {Canis latrans} Yellowstone NP, Wyoming, USA
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Pete Cairns / Coyote crossing road {Canis latrans} Yellowstone NP, Wyoming, USA
Female Pronghorn antelope cross road {Antilocapra americana} Grand Teton NP,
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David Kjaer / Female Pronghorn antelope cross road {Antilocapra americana} Grand Teton NP,
Black bear (Ursus americanus ) crossing road in front of photographer. NPS rules stipulate that visitors must stay at least 100m distant from bears.~Yellowstone National Park, Wyoming, USA
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Pete Cairns / Black bear (Ursus americanus ) crossing road in front of photographer. NPS rules stipulate that visitors must stay at least 100m distant from bears.~Yellowstone National Park, Wyoming, USA
Riverside Geyser, Firehole River, Yellowstone National Park, Wyoming, USA
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George McCarthy / Riverside Geyser, Firehole River, Yellowstone National Park, Wyoming, USA
Thermal hot spring at Mud Volcano, Hayden Valley, Yellowstone National Park, Wyoming, USA.
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Jeff Vanuga / Thermal hot spring at Mud Volcano, Hayden Valley, Yellowstone National Park, Wyoming, USA.
Lone Star Geyser with a double rainbow in Lone Star Geyser Basin, Yellowstone Nationl Park, Wyoming, USA
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Jeff Vanuga / Lone Star Geyser with a double rainbow in Lone Star Geyser Basin, Yellowstone Nationl Park, Wyoming, USA
Castle geyser spouting, Old Faithful area, Yellowstone NP, Wyoming, USA
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Philippe Clement / Castle geyser spouting, Old Faithful area, Yellowstone NP, Wyoming, USA
Roaring Mountain venting steam at first light. Yellowstone Park, Wyoming, USA, October 2006.
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Jeff Vanuga / Roaring Mountain venting steam at first light. Yellowstone Park, Wyoming, USA, October 2006.
Two Red fox (Vulpes vulpes) cubs playing with mother, Grand Teton National Park, Wyoming, USA, June
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George Sanker / Two Red fox (Vulpes vulpes) cubs playing with mother, Grand Teton National Park, Wyoming, USA, June
Red fox (Vulpes vulpes) mother and cub with noses touching, Grand Teton National Park, Wyoming, USA, May
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George Sanker / Red fox (Vulpes vulpes) mother and cub with noses touching, Grand Teton National Park, Wyoming, USA, May
Female Red fox (Vulpes vulpes) yawning, Grand Teton National Park, Wyoming, USA, June
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George Sanker / Female Red fox (Vulpes vulpes) yawning, Grand Teton National Park, Wyoming, USA, June
Female Red fox (Vulpes vulpes) hunting, Grand Teton National Park, Wyoming, USA, June
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George Sanker / Female Red fox (Vulpes vulpes) hunting, Grand Teton National Park, Wyoming, USA, June
Moose (Alces alces) bull portrait, Grand Teton National Park, Wyoming, USA, October
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George Sanker / Moose (Alces alces) bull portrait, Grand Teton National Park, Wyoming, USA, October
Moose (Alces alces) bull walking across the Gros Ventre River, Grand Teton National Park, Wyoming, USA, October
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George Sanker / Moose (Alces alces) bull walking across the Gros Ventre River, Grand Teton National Park, Wyoming, USA, October
Tourists in canoe watching bull Moose (Alces alces) walking through water during Autumn rut season, Grand Teton National Park, Wyoming, USA
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George McCarthy / Tourists in canoe watching bull Moose (Alces alces) walking through water during Autumn rut season, Grand Teton National Park, Wyoming, USA
Gardner river, Grand Teton NP, Wyoming, USA
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Bernard Castelein / Gardner river, Grand Teton NP, Wyoming, USA