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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 in Yellowstone National Park in Wyoming, USA
View from Signal Mountain in Teton National Park.  Alpine mountains, lakes, forests, meadows, rivers. South of Yellowstone National Park. The Teton Range runs north-south through the park. USA
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
Grand Prismatic Spring at Midway Geyser Basin of Yellowstone National Park in Teton County, Wyoming
Herd of Bison in the Hayden Valley, Yellowstone National park.
Bull moose in rutting season, Grand Teton National Park on a beautiful day.
Grand Prismatic Spring in Yellowstone National Park Wyoming, horizontal
Norris Geyser Basin, Yellowstone, Wyoming - United States of America
Yellowstone National Park
Huge Bull Elk as Part of a  Scenic Background.
lots of bisons get together on the grassland in Yellowstone National Park
Yellowstone Grand Prismatic Spring. Wyoming. United States.
Firehole Falls in Yellowstone National Park
Grand Prismatic Hot Spring
Old Faithful Yellowstone National Park, Wyoming, USA.
Elk (Cervus canadensis), Grand Teton National Park, Wyoming
Norris Geyser Basin, Yellowstone National Park.
Castle geyser eruption and volcanic activity, Yellowstone national park, Wyoming, USA.
Herd of bison (buffalo) resting on a hilltop in the center of Lamar Valley in Yellowstone National Park. Town to the west is Gardiner, Montana and to the east Cooke City, Montana.
Gibbon falls in Yellowstone National Park
A wide-angle view of Grand Prismatic Spring with puffy clouds overhead in Yellowstone National Park, Wyoming.
Grand Canyon of the Yellowstone
Lower Falls at Grand Canyon of the Yellowstone
Huge Bull Elk in a Scenic Background.
photos of a wild bison in yellowstone national park, wyoming, usa
Herd of Bison in the Hayden Valley, Yellowstone National Park.
Grand Teton mountain range and Snake river in the Yellowstone Ecosystem of western USA, North America. The nearest cities are Jackson and Cody, Wyoming, Denver, Colorado, Salt Lake City, Utah, Bozeman and Billings, Montana.
American Bison (Bos bison, Bison bison) Herd  Grazing in the Rolling Winter Hills of Yellowstone National Park, Wyoming
Grand Prismatic Spring in Yellowstone National Park, Wyoming USA from the view of Fairy Falls Trail, horizontal
Free Images: "bestof:yellowstone national park yellowstonenationalpark yellowstone national park nationalpark wyoming wildlife outdoor Four bull moose along Soda Butte Creek; Jim"
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