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American Bison, Buffalo
colorful poos
the thaw at Lake Palù.  valmalenco Valtellina.
Grand Prismatic Spring in Yellowstone National Park in Wyoming, USA
Geyser Basin in Yellowstone National Park on a sunny winter day.
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
Old Faithful geyser erupts at Yellowstone National Park as a young bison grazes nearby. The famous geyser erupts at an average interval of 90 mins, expelling up to 8,400 gallons of boiling water at up to 184 feet high.
Landscape of geyser basin with smoke and background of pine forest inside hot zone of Yellowstone National Park, Wyoming, USA.
Grand Prismatic Spring at Midway Geyser Basin of Yellowstone National Park in Teton County, Wyoming
Turquoise blue water in Yellowstone National Park on snowy winter day.
Majestic Yellowstone lake
Old Faithfull Geyser, Yellowstone National Park
Utah, USA-September 10, 2011: The Yellow Stone National Park is one of the Natrual Wonders in the world. Here is the beautiful scenery of the National Park.
Hot springs are the most common hydro-thermal features at Yellowstone National Park.  They vary from frothing mocha-like boiling water to clear and calm pools of tremendous depth.
View of Teton range across the length of Jackson Lake in  Wyoming's Yellowstone Ecosystem in west USA, North America.
Limber Pine killed by thermal runoff with SHeep Mountain in the background from the Mammoth Hot Springs, Yellowstone National Park.
Thermophilic Microbial Mat at Sapphire Pool in Biscuit Basin of Yellowstone National Park, Wyoming
Yellowstone Backcountry in Winter 1986
Black Pool hot spring with Yellowstone Lake in the background
Yellow and green colored Morning Glory Pool at daytime with blue sky and forest in background
Blue colored hot springs at Norris Geyser Basin in the winter
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.
Reflection on the Snake river of the Teton peaks of Grand Teton National Park in Wyoming, western USA. Nearest town is Jackson, Wyoming.
Geothermal pool in winter Yellowstone National Park steaming
Thermophilic Microbial Mat at Sapphire Pool in Biscuit Basin of Yellowstone National Park, Wyoming
Panoramic extremely colorful Grand Prismatic Springs from a distance with bright blue sky and light steam lifting off lake of rainbow colors
Thermal Pool in Upper Geyser Basin in Winter\nYellowstone National Park
Abyss Pool a hot spring of the West Thumb Geyser Basin, Yellowstone National Park, Wyoming, USA
Majestic Yellowstone lake
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