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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.
Bull moose in rutting season, Grand Teton National Park on a beautiful day.
lots of bisons get together on the grassland in Yellowstone National Park
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
Old Faithful Yellowstone National Park, Wyoming, USA.
Elk enjoying the weather
Bison drinking water from the waterhole at the end of day. Yellowstone National Park.
Huge Bull Elk as Part of a  Scenic Background.
American Bison at Lamar Valley in Yellowstone National Park, Wyoming
bull and cow elk during the fall rut in Yellowstone National Oark Wyoming
Elk in Yellowstone National Park
Four bull elk in velvet resting in a field inside Yellowstone National Park
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.
pronghorn antelope in summer in Grand Teton National Park Wyoming
Dominant Bull elk with cows at sunset in northern Montana in western USA at Charles M Russel Wildlife Refuge on the Missouri River.
Bull Elk in Yellowstone National Park bugling during rutting season
Big Bull Elk in a beautiful setting.
Rocky Mountain Elk during the rut
Bull moose in rutting season, Grand Teton National Park on a beautiful day.
scenes around yellowstone national park in wyoming
This group of Pronghorn feed on grass and sage brush near a group of American Bison in the mountain valleys near Gardiner MT.
The  male Rocky Mountain elk (Cervus canadensis nelsoni) is a subspecies of elk found in the Rocky Mountains and Yellowstone National Park. In the Autumn with antlers and during the rut.
Elk at Yellowstone national park. USA.
Elk bulls bugling and chasing cows during rut
Elk at Lake Lodge in Yellowstone National Park, Wyoming
Elk in the Rocky Mountains
Beautiful Majestic Wild Male Elk in Yellowstone National Park
Bison in Yellowstone National Park
A bull moose standing in willow bushes in Colorado
Herd of Bisons sitting in Yellowstone National Park, Wyoming, USA.
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