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American Bison, Buffalo
Landscape of geyser basin with smoke and background of pine forest inside hot zone of Yellowstone National Park, Wyoming, USA.
Bison standing in meadow in Yellowstone National Park with frost on fur on a very cold morning in winter with snow on the ground
Grey (or gray) wolf looking over buffalo (bison) on snow covered hill.  This wolf is a large canine native to Eurasia and North America. The wolf is the largest extant member of the family Canidae, males average 88 lbs. and females average 82 lbs. The grey wolf can be various colors.  The banded fur is usually mottled white, brown, gray, and black. This was near Tower junction in Yellowstone National Park between Gardiner and Cooke City Montana. Larger nearby cities are Bozeman and Billings, Montana. John Morrison Photographer
Norris Geyser Basin in Yellowstone in Winter
Bull Elk in the winter
American Bison, Bison bisoon, in the winter snow in Yellowstone National Park, Wyoming.
Tazhenranskaya steppe on the coast of the Baikal Lake in winter - Siberia, Russia
Yellowstone National Park’s thermal features can be seen as the product of millions of years of geology at work.  Geysers are hot springs that erupt periodically. The eruptions is the result of super-heated water below-ground becoming trapped in channels leading to the surface.
Bull moose in rutting season, Grand Teton National Park on a beautiful day.
American Bison (Bos bison, Bison bison) Herd  Grazing in the Rolling Winter Hills of Yellowstone National Park, Wyoming
a scenic landscape in Yellowstone National Park Wyoming in winter
Unique cloud formations and landscape in subzero temperature in Yellowstone, Montana USA
Yellowstone park
Adult bison and Calfs in Yellowstone, NP
A river weaves its way through a snowy winter scene with banks covered in white snow and the Rocky Mountains of Colorado in the background
Herd of elk grazing late winter in Yellowstone National Park. Overall scenic with sweeping vista. mountains in background are in shadow giving cold feeling to overall scene. Animals appear healthy probably due to a light snowfall this year.
Winter in Yellowstone National Park
American Bison, Bison bison, Winter in Yellowstone National Park, Wyoming. Feeding as a herd in the open snow covered plain.
Norris geyser basin in the Yellowstone National park, USANorris geyser basin in the Yellowstone National park, USA
photos of a wild bison in yellowstone national park, wyoming, usa
Bison generally moving east in Yellowstone looking for better grazing prairie
Norris Geyser Basin, Yellowstone, Wyoming - United States of America
Bull moose in rutting season, Grand Teton National Park on a beautiful day.
On a cloudy and cold winter day, the beauty of Yellowstone National Park is on full display.
Thermophilic Microbial Mat at Sapphire Pool in Biscuit Basin of Yellowstone National Park, Wyoming
A bison runs through a field of snow in Yellowstone National Park
Wild Bison in Yellowstone in Winter
Blue colored hot springs at Norris Geyser Basin in the winter
Rural High Desert Vista - Light Winter Snows - Washoe Lake In Background - Washoe County, NV - February
Free Images: "bestof:NPS photo by Neal Herbert park winter national yellowstone"
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