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Grey wolf watching visiting raven in Yellowstone National Park in Wyoming and Montana in northwestern United States of America (USA). John Morrison Photographer
Male elk in Yellowstone National Park looking over his harem during rutting season
A family of american bisons in the Yellowstone National Park, Wyoming USA
Herd of bisons in Yellowstone
Image of Steamy pools of acidic waters in Norris Basin of Yellowstone
The American bison or simply bison, also commonly known as the American buffalo or simply buffalo, is a North American species of bison that once roamed the grasslands of North America in massive herds. Their historical range, by 9000 BC, is described as the great bison belt, a tract of rich grassland that ran from Alaska to the Gulf of Mexico, east to the Atlantic Seaboard (nearly to the Atlantic tidewater in some areas) as far north as New York and south to Georgia and per some sources down to Florida, with sightings in North Carolina near Buffalo Ford on the Catawba River as late as 1750. They became nearly extinct by a combination of commercial hunting and slaughter in the 19th century. With a population in excess of 60 million in the late 18th century, the species was down to 541 animals by 1889. Recovery efforts expanded in the mid-20th century, with a resurgence to roughly 500,000 animals today, largely restricted to a few national parks and reserves.
Black Pool hot spring with Yellowstone Lake in the background
A coyote takes a classic stance and howls in the snow in the misty early morning in Yellowstone National Park.
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.
Yellowstone River landscape in summer. Wyoming, USA
Yellowstone Park (iii)
Herd of Bisons sitting in Yellowstone National Park, Wyoming, USA.
Scene in Yellowstone National Park. Wyoming USA
Majestic Yellowstone lake
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
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
Elk enjoying the weather
Side profile of a brown male buffalo among green shrubbery in a springtime landscape at Yellowstone National Park
Elk in Yellowstone National Park
Deers in Winter in Yellowstone National Park, Wyoming and Montana. Northwest. White tailed deers. Yellowstone is a winter wonderland, to watch the wildlife and natural landscape.
American Bison, Buffalo
Bull Elk standing in a meadow near Norris in Yellowstone
Thousands of Geese migrate through central Montana
Migrating Sandhill cranes flying to a favorite eating area at Monte Vista, Colorado, USA
Photo of a coyote eating a field mouse in winter after a successful hunt.
Herd of  American bison grazing during the cold winter in  the Lamar Valley  in Yellowstone National Park.
Elk are the most abundant large mammal found in Yellowstone and are an important species within the Greater Yellowstone Ecosystem.\n Elk comprise approximately 85% of winter wolf kills and are an important food for bears, mountain lions, and at least 12 scavenger species. Elk are one of the most photographed animals in Yellowstone
bison grazing at Yellowstone National Park
Yellowstone National Park sits on top of a dormant volcano and is home to more geysers and hot springs than any other place on earth. Wonders abound at this truly unique national park, from sites like the Yellowstone Grand Canyon to wildlife like America's largest buffalo herd, grizzly bears, and wolves.
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