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Herd of adult and baby buffaloes (bison bison) at sunset time. Yellowstone National Park, Wyoming, USA
Grand Prismatic Spring in Yellowstone National Park in Wyoming, USA
Image of Yellowstone detail of colorful terraces at Mammoth Hot Springs
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
Group of Elk walking over hill in the Rocky Mountain National Park in Estes Park, Colorado
Wild Bison Roam Free Beneath Mountains of Yellowstone National Park
Norris Geyser Basin, Yellowstone National Park.
Fly fishing for trout in Wyoming
colorful poos
Thermophilic Microbial Mat at Sapphire Pool in Biscuit Basin of Yellowstone National Park, Wyoming
Herd of adult and baby buffaloes (bison bison) at sunset time. Yellowstone National Park, Wyoming, USA
Majestic Yellowstone lake
Sunlight illuminates the spray as the Yellowstone River crashes over the Lower Falls in Yellowstone's Grand Canyon.
Norris Geyser Basin in Yellowstone in Winter
A bison is standing on grass in front of Old Faithful during its eruption at Yellowstone National Park when sun setting
Midway Geyser Basin Trail, Yellowstone National Park.
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.
Grand Prismatic Spring at Midway Geyser Basin of Yellowstone National Park in Teton County, Wyoming
Spectacular panoramic views of West Thumb Geyser Basin in Yellowstone National Park, Wyoming Montana. Yellowstone Lake. Great hiking. Summer wonderland to watch wildlife and natural landscape. Geothermal.
Looking at Grand Prismatic Spring
Image of Steamy pools of acidic waters in Norris Basin of Yellowstone
Herd of American Bison (Bos bison) in Yellowstone National Park, Wyoming
Norris Geyser Basin, Yellowstone, Wyoming - United States of America
Scenery at Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
Grand Prismatice Spring in Yellowstone National Park with tourists viewing the spectacular natural scene
Thermophilic Microbial Mat at Sapphire Pool in Biscuit Basin of Yellowstone National Park, Wyoming
Herd of Bison in the Hayden Valley, Yellowstone National park.
Geysers at Midway Geyser Basin Trailhead, Yellowstone National Park.
Aerial view of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. It is the largest hot spring in the United States
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.
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