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Big Horn sheep herd at Grand Teton National Park in Wyoming, western USA, North America.
a pronghorn antelope buck and does during the rut in the Wyoming desert in autumn
Pronghorn (Antilocapra americana) with atumn background colors in Lamar Valley, Yellowstone National Park.
On the plains in northern Colorado in Weld County a herd of wild pronghorn run with ease on the prairie of the Pawnee National Grasslands.
Pronghorn Antelope Close-up on the Hillside Closeup in Yellowstone National Park Background Landscape Nature Wildlife
Male Pronghorn Antelope
The Pronghorn (Antilocapra americana) is a species of artiodactyl (even-toed, hoofed) mammal native to interior western and central North America. Although it is commonly thought of and called an antelope it is not a true antelope.  The pronghorn is the only surviving member of the Antilocapridae family and has been in North America for over a million years. The pronghorn has a similar body shape to a deer but stockier and shorter legged.  Both males and females grow horns but the male horns are larger.  The horns are shed each year as the new horns grow from underneath.  The pronghorn weighs between 90 and 120 pounds and stands about 3 1/2 feet tall at the shoulder.  It has a tan to reddish brown body with white markings throughout.  The pronghorn is the fastest land mammal in the Western Hemisphere.  Its great speed enables the pronghorn to outrun most predators.  Pronghorns are migratory herd animals.  Their migration routes have been threatened by fencing and fragmentation of their habitat.  Pronghorns cannot jump over traditional barb wire fences like deer and elk can.  They try to pass underneath and sometimes get caught in the fencing.  Newer types of fencing have plastic pipe under the bottom strands which allows the animals to pass through.  Pronghorns are quite numerous and in some areas like Wyoming and northern Colorado the pronghorn population at times has exceeded the human population.  This pronghorn was photographed on Antelope Ridge in the National Bison Range near Charlo, Montana, USA.
Pronghorn (Antilocapra americana) buck standing in grass, Yellowstone National Park, Wyoming, United States.
The Pronghorn stands in the grass, sagebrush and snow in the open fields against the mountains near Gardiner MT.
Running antelope or pronghorn on the central Montana prairie of western USA in North America.
A pronghorn antelope on the prairie.
Thunder Basin National Grassland, Wyoming, USA: female pronghorn standing in the snow - The pronghorn (Antilocapra americana) is a species of artiodactyl (even-toed, hoofed) mammal indigenous to interior western and central North America. Though not a real antelope, it is often called the American antelope, prong buck, pronghorn antelope and prairie antelope.
Single antelope in Gillette Wyoming, background prarie and sage brush
Pronghorn Antelope in Eastern Idaho.
a pronghorn antelope buck in autumn in Grand Teton National Park Wyoming
Wild pronghorn in the early morning light around the beautiful geological rock formations of Pinnacles Overlook in Badlands National Park in South Dakota USA
pronghorn antelope in the fall rut in Wyoming
Female antelope or pronghorn running looking for a good place to give birth, in wild Montana, USA, North America.
Portrait of a Pronghorn in Yellowstone National Park
Pronghorns are among the fastest land animals in North America, capable of reaching speeds up to 55 mph. They are known for their impressive long-distance migrations, traveling up to 150 miles between summer and winter ranges. Despite early 20th-century population declines, conservation efforts have helped pronghorns rebound, making them a notable presence in the park's diverse ecosystem. Despite often being called \
Pronghorn antelope in Yellowstone National Park
Two pronghorn antelope standing and staring in the wilderness.
Grazing wild pronghorn doe munching on summer grasses.
Pronghorn antelope running through sage brush in Idaho.
Deer at Grand Teton national Park. Wyoming. USA
Antelope (or Pronghorn) running, then looking back very fearful in the plains of Montana, in western USA of North America.
a smalll herd of pronghorns in the rut
Pronghorns are among the fastest land animals in North America, capable of reaching speeds up to 55 mph. They are known for their impressive long-distance migrations, traveling up to 150 miles between summer and winter ranges. Despite early 20th-century population declines, conservation efforts have helped pronghorns rebound, making them a notable presence in the park's diverse ecosystem.
Pronghorn antelope in Yellowstone National Park
A Couple Pronghorn in Yellowstone National Park
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