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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.
With Teton peaks in background Grizzly bear sow and yearling cubs make way south in the Yellowstone Ecosystem in western USA, North America. Nearest cities are Denver, Colorado, Salt Lake City, Jackson, Wyoming, Gardiner, Cooke City, Bozeman and Billings, Montana.
A herd of buffalo migrate on a quiet highway in Yellowstone National Park.
Norris Geyser Basin, Yellowstone National Park.
A herd of bison grazing on the prairie with mountains in the background. A large bull looks out towards the camera.
Lower Falls in the Grand Canyon of Yellowstone National Park of USA
Image of Steamy pools of acidic waters in Norris Basin of Yellowstone
Hot spring and geyser with deep aqua cave and wilderness background at Yellowstone National Park, USA.
lots of bisons get together on the grassland in Yellowstone National Park
Stunning natural land features
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
A family of american bisons in the Yellowstone National Park, Wyoming USA
Buffalos grazing at Hayden Valley, Yellowstone, National Park, Wyoming, USA
Black Pool hot spring with Yellowstone Lake in the background
Scene in Yellowstone National Park. Wyoming USA
Grand Prismatic Spring in Yellowstone National Park in Wyoming, USA
Steam rising near the Firehole River from geothermal pools and geysers. American bison grazing in the middle area.
Majestic Yellowstone lake
Elk enjoying the weather
Two Grey wolf (mostly white/tan colored) share a tender moment together for portrait in Yellowstone National Park (USA). The wolf is a large canine native to Eurasia and North America. The banded fur of a wolf is usually mottled white, brown, gray, and black. The wolf is known for cooperative game hunting as shown by its physical adaptations to tackling large prey, its social behavior including individual or group howling.  It travels in nuclear families consisting of a mated pair accompanied by their offspring. The situation that made this photo possible was the take down of an elk or mule deer in a nearby river. With hunting allowed in states around the park these wolves are in danger. This is in the northern part of the park, in Montana and in northwestern United States of America (USA). nearest cities are Bozeman and Billings, Montana. Other fly in locations are Salt Lake City, Utah and Denver, Colorado. John Morrison Photographer
View at Lower Falls in Yellowstone Grand Canyon seen from Artist Point. Yellowstone National Park, Wyoming, USA
Herd of American Bison (Bos bison) in Yellowstone National Park, Wyoming
Blue hot spring hole, Midway geyser basin, Yellowstone national park, Wyoming, USA.
yellowstone river waterfalls rainbow
Norris Geyser Basin, Yellowstone, Wyoming - United States of America
Herd of Bisons sitting in Yellowstone National Park, Wyoming, USA.
Yellowstone National Park
Spectacular autumn colors along river of the Grand Teton National Park of the Yellowstone Ecosystem in western USA of North America. Nearest cities are Jackson, Wyoming, Bozeman and Billings, Montana Salt Lake City, Utah, and Denver, Colorado
bison grazing at Yellowstone National Park
Porcelain Springs area of Norris Geyser Basin a very active thermal area in Yellowstone National Park, Wyoming.
Free Images: "bestof:yellowstone yellowstone national park yellowstonenationalpark national park nationalpark outdoor animal Grizzly bear in Hayden Valley; Jim Peaco; October 29,"
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