George Sanker / American Buffalo / Bison (Bison bison) grazing in open plains. Yellowstone National Park, Wyoming, October.
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Danny Green / Bison (Bison bison) seen through blizzard snow. Yellowstone National Park, USA, February.
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Danny Green / Bison (Bison bison) in snow. Yellowstone National Park, USA, February.
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Danny Green / Bison (Bison bison) in snowstorm. Yellowstone National Park, USA, February.
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Danny Green / Bison (Bison bison) in snowstorm. Yellowstone National Park, USA, February.
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Danny Green / Bison (Bison bison) in snowstorm. Yellowstone National Park, USA, February.
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George Sanker / Bison (Bison bison) two males head to head, Yellowstone NP, Wyoming, USA
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Chadden Hunter / Cameraman Jeff Turner and Producer Chadden Hunter exposed at -40 degrees in Arctic circle in Northern Canada while filming wolves and bison hunting sequence. Taken on location for BBC Frozen Planet se...
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Kirkendall-Spring / American buffalo / Bison (Bison bison) in deep snow, Lamar Valley, Yellowstone National Park, Wyoming, USA, January
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B&S Draker / American Bison / Buffalo (Bison bison) adult in front of old wooden barn and Grand Teton range. Antelope Flats, Grand Teton National Park, Wyoming, USA, June.
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Charlie Summers / American bison (Bison bison) herd roaming the plains, Custer State Park, South Dakota, USA, September
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Charlie Summers / Cowboy working with herd of American Bison (Bison Bison) during the 2010 buffalo roundup in Custer State Park; South Dakota, September 2010
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Donald M. Jones / American Bison (Bison bison) bulls, National Bison Range, Moise, Montana
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Charlie Summers / American bison (Bison Bison) shaking its head to remove excess water, Yellowstone river, Hayden Valley, Wyoming, USA
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Wild Wonders of Europe / Unterthiner / European bison (Bison bonasus) gathering at feeding site, Bialowieza NP, Poland, February 2009
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Wild Wonders of Europe / Unterthiner / Two European bison (Bison bonasus) fighting, Bialowieza NP, Poland, February 2009. WWE INDOOR EXHIBITION.
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Wild Wonders of Europe / Unterthiner / European bison (Bison bonasus) in forest, Bialowieza NP, Poland, February 2009
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Wild Wonders of Europe / Unterthiner / European bison (Bison bonasus) in agricultural field, Bialowieza NP, Poland, February 2009
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Wild Wonders of Europe / Unterthiner / Rear view of European bison (Bison bonasus) in agricultural field, Bialowieza NP, Poland, February 2009
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Jeff Vanuga / Bison (Bison bison) in deep snow in the Upper Geyser Basin, Yellowstone National Park, Wyoming, USA, January 2008
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Jeff Vanuga / Bison {Bison bison} cow and calf amongst flowering Arrowroot balsamroot {Balsamorhiza sagittata} with the Teton mountains in the background, Grand Teton National Park, Wyoming, USA, June 2008
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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
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Jeff Vanuga / Bison herd grazing in spring with Grand Teton mountains in background, Grand Teton National Park, Wyoming, USA, April 2009
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Wild Wonders of Europe / Unterthiner / European bison (Bison bonasus) walking through snow in forest, Bialowieza NP, Poland, February 2009
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Wild Wonders of Europe / Unterthiner / European bison (Bison bonasus) amongst trees in snow, Bialowieza NP, Poland, February 2009
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Wild Wonders of Europe / Unterthiner / European bison (Bison bonasus) Bialowieza NP, Poland, February 2009
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Wild Wonders of Europe / Unterthiner / European bison (Bison bonasus) viewed through trees, Bialowieza NP, Poland, February 2009
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Donald M. Jones / American Bison (Bison bison) bull, western Montana
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Tim Fitzharris / American Bison (Bison bison) herd grazing on shortgrass praire near Scoria Point, Theodore Roosevelt National Park, North Dakota
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Suzi Eszterhas / American Bison (Bison bison) cow and calf playing, Yellowstone National Park, Montana
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Shattil & Rozinski / Bison {Bison bison} on sand dunes, Medano Zapata Ranch, San Luis Valley, Colorado, USA
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Pete Cairns / Close-up face of European Bison {Bison bonasus) Captive
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Pete Cairns / Bison {Bison bison} bull silhouetted in dawn mist, Yellowstone National Park, USA.
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Pete Cairns / Line of Bison {Bison bison} geysers steaming, Yellowstone National Park, USA.
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Pete Cairns / Bison {Bison bison} in snow blizzard. Yellowstone National Park, Wyoming, USA
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Jeff Vanuga / Bull bison {Bison bison} Grand Teton NP, Wyoming, USA.
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Shin Yoshino / American Bison (Bison bison) silhouetted at dawn, Yellowstone National Park, Wyoming
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Jim Brandenburg / American Bison (Bison bison) herd of adults and calves on tallgrass prairie, South Dakota
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Sumio Harada / American Bison (Bison bison) free roaming wild herd along river, Yellowstone National Park, North America
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Tim Fitzharris / American Bison (Bison bison) in winter, Yellowstone National Park, Wyoming
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Tim Fitzharris / American Bison (Bison bison) herd grazing near Fountain Paint Pots, Yellowstone National Park, Wyoming
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Jim Brandenburg / American Bison (Bison bison) pair in blizzard, Minnesota
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Jim Brandenburg / American Bison (Bison bison) male and female, South Dakota
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Jim Brandenburg / American Bison (Bison bison) and snowmobiles, Yellowstone National Park, Wyoming
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Jim Brandenburg / American Bison (Bison bison) herd stampeding, South Dakota
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Jim Brandenburg / American Bison (Bison bison) herd grazing on prairie at sunset, South Dakota
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Jim Brandenburg / American Bison (Bison bison) herd stampeding, South Dakota
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Jim Brandenburg / American Bison (Bison bison) male walking through tallgrass prairie, South Dakota
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Jim Brandenburg / American Bison (Bison bison) mother with nursing calf, South Dakota
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Jim Brandenburg / American Bison (Bison bison) pair grazing on prairie under an anvil cloud, Nebraska
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Jim Brandenburg / American Bison (Bison bison) herd stampeding, South Dakota
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Jim Brandenburg / American Bison (Bison bison) herd stampeding, South Dakota
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Shin Yoshino / American Bison (Bison bison) herd drinking from lake, Yellowstone National Park, Wyoming
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Shin Yoshino / American Bison (Bison bison) two males fighting, Yellowstone National Park, Wyoming
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Jim Brandenburg / American Bison (Bison bison) male, Blue Mounds State Park, Minnesota
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Jim Brandenburg / Black-tailed Prairie Dog (Cynomys ludovicianus) in burrow with American Bison (Bison bison) and Ponderosa Pines (Pinus ponderosa), Wind Cave National Park, South Dakota
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Jim Brandenburg / American Bison (Bison bison) herd stampeding, South Dakota
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Pete Cairns / Landscape with Bison {Bison bison} and steam from geysers, Yellowstone NP, Wyoming, USA
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Aflo / Bison (Bison bison) Yellowstone National Park, Wyoming, USA, September
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Tim Fitzharris / American Bison (Bison bison) herd grazing in winter, Yellowstone National Park, Wyoming
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Tim Fitzharris / American Bison (Bison bison) in Hayden Valley, Yellowstone National Park, Wyoming
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Nick Garbutt / RF- Lone American Bison (Bison bison) grazing in snow. Hayden Valley, Yellowstone National Park, Wyoming, USA, February. Digital composite. (This image may be licensed either as rights managed or roya...
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Nick Garbutt / Herd of American Bison (Bison bison) in snow along the Lamar River Valley. Yellowstone National Park, Wyoming, USA, February. Digital composite.
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Danny Green / Bison (Bison bison) head portrait in heavy frost. Yellowstone National Park, United States America, February.
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Sumio Harada / American Bison (Bison bison) herd on road in Gardiner just outside of Yellowstone National Park, Montana
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Sumio Harada / American Bison (Bison bison) female, Yellowstone National Park, Wyoming
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Sumio Harada / American Bison (Bison bison) sub-adult in snow, Yellowstone National Park, Wyoming
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Sumio Harada / American Bison (Bison bison) males fighting, Yellowstone National Park, Wyoming
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Sumio Harada / American Bison (Bison bison) female and calf dust bathing, Yellowstone National Park, Wyoming
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Sumio Harada / American Bison (Bison bison) females and calves, Yellowstone National Park, Wyoming
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Sumio Harada / American Bison (Bison bison) calf nuzzling mother, Yellowstone National Park, Wyoming
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Sumio Harada / American Bison (Bison bison) calf running, Yellowstone National Park, Wyoming
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Ingo Arndt / American Bison (Bison bison) young bull, Grand Teton National Park, Wyoming
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Jack Dykinga / Bison (Bison bison) male in the meadows of De Motte Park, Kaibab National Forest, Arizona.
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Jack Dykinga / Bison (Bison bison) male in the meadows of De Motte Park, Kaibab National Forest, Arizona, USA, July
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Donald M. Jones / Ring-necked Pheasant (Phasianus colchicus) male, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) mother with kits at den, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) kit rolling in sand at den, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) kits, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) mother playing with kit, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) kit at den, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) displaying, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) mother with kit, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) kit, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) mother with kit, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) mother with kits at den, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) kits at den, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) mother with kit, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) with snake prey, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) kit at den, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) kit at den, National Bison Range, Moise, Montana
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Donald M. Jones / American Badger (Taxidea taxus) female, National Bison Range, Moise, Montana
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Donald M. Jones / American Bison (Bison bison) bull, National Bison Range, Moise, Montana
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Donald M. Jones / American Bison (Bison bison) mother with calf, National Bison Range, Moise, Montana
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Donald M. Jones / American Bison (Bison bison) calf, National Bison Range, Moise, Montana
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Donald M. Jones / American Bison (Bison bison) mother with calf, National Bison Range, Moise, Montana