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a bison herd, two baby bison nuzzle each other, one is brown and the other is orange Calves begin to turn brown when they are about two months old. The calf on the left is at least a month older than the calf on the right. Keywords: bison; buffalo; bison herd; bison calf
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a young orange bison calf standing in a prairie dog town Bison are born orange but turn brown as the summer goes on. Keywords: bison; buffalo; bison calf; prairie dog town
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a male bison walks through tall grass in the winter Bison are well adapted to wintry conditions and are not bothered by cold. Keywords: bison; buffalo
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an orange baby bison sleeps in the dirt next to its mother A young calf takes a well deserved nap next to his mom. Keywords: bison; buffalo; bison herd; bison calf
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a small female and large male bison stand in a red patch of dirt, their noses and mouths are orange with minerals Bison gather together at reddish mineral licks on the southeast side of the park. These communal licks provide them with essential minerals they would otherwise lack in their diet. Elk, pronghorns, and deer use the same mineral licks. Keywords: bison; buffalo; mineral lick
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a female bison nursing her orange calf Cows will nurse their calves until they are about seven or eight months old. Calves are completely weaned and independent by the time they are one year old. Keywords: bison; buffalo; bison calf
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A tan clay square plaque with a raised carving of the head of a bison. Plaster model of a bison head sculpted by Alexander Phimister Proctor and given to Theodore Roosevelt. In 1909, Theodore Roosevelt replaced the stone carved lions on the mantle of the State Dining Room at the White House with carvings of the American bison. TR viewed the lion as a symbol of European monarchy and thought that a uniquely American animal, such as the bison, should be used instead. This object is located on the mantle in the Library in the Theodore Roosevelt Home. Keywords: Bison; Sculpture; Relief
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A rectangular plaque with a raised bas-relief carving of a bison standing with its head down. This bronze relief of a bison was designed by Albert Louis Van den Berghen in 1893. Keywords: Sculpture; Bronze; Albert Louis Van den Berghen; Relief; Bison
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two male bison clash horns July through August marks the bison breeding season or rut. Bulls challenge each other for breeding rights by fighting. This is an exhausting ordeal and bulls may be injured during fights. Keywords: bison; bison fighting; buffalo; bison rut
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a bison lying down in the grass while three pronghorns graze nearby Bison and pronghorns both prefer open areas but do not pay each other much attention. Keywords: bison; buffalo; pronghorn; antelope
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a male bison grazing silhouetted against a bright orange sunset Bison are active even after dark. They can be difficult to spot if they are on the road because their wide-set eyes shine dimly in the dark. Keywords: bison; buffalo; silhouette; sunset
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several young bison wait in a small pen with hay After being sent through the chute, bison that will be removed are separated from bison that will be released back into the park. Removed bison are sent to tribes, organizations, universities, and other parks who want to start or add to their own bison herds. Most often, young bison between one and two years old are removed. Keywords: bison; buffalo; bison management; wildlife management
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a young shedding bison scratches itself on a bending metal post Trees, posts, and park signs are favorite scratching tools for shedding bison. Bent road signs are bison signs. Keywords: bison; buffalo; shedding
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a female bison lies in a dirt patch with her baby uninterested in the male bellowing behind her, other bison lounge in the background During the breeding season or rut, bulls will bellow to attract cows and challenge other bulls. This cow is clearly not interested. Keywords: bison; bison herd; buffalo; bison calf
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a herd of bison run along a fence line ahead of two trucks Bison are driven toward corrals during a roundup. Corralled bison will be sent through a chute one by one to be vaccinated, have blood drawn, and be microchipped. Some bison will be removed from the park and sent to other parks, tribes, organizations, or universities. Keywords: bison; buffalo; bison management; bison roundup; wildlife management
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A bronze sculpture of a bison standing on a plateau with its head angled towards the viewer. It has woolly hair on its face and front body. The back body is smooth. This bronze sculpture of a bison was designed by Eugene J. Soligny who was a silversmith that worked for Tiffany &Co. It was acquired by Theodore Roosevelt sometime between c. 1884-1918 and is located on a bookcase in the Library in the Theodore Roosevelt Home. Keywords: Bison; art; sculpture
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a frosty bison with a blind eye standing between two rocks A bull with a blind eye stands quietly on a frosty morning. Bison are well adapted to winter and are not bothered by cold thanks to their warm winter coats. Keywords: bison; buffalo; frost
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three adult bison walk down the road past a sign reading 'large wildife on road next 13 miles' Bison can create "bison jams" by stopping traffic as they cross or stand in the road. Plan for delays due to wildlife when visiting or traveling through the park. Keywords: bison; buffalo; large wildlife on road
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Bison grazing in icy pasture Keywords: nature; bison; buffalo
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a bison lies down in a prairie dog town as a pronghorn antelope walks by Both bison and pronghorns graze and spend time in prairie dog towns. They coexist peacefully. Keywords: bison; buffalo; pronghorn; antelope
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a male bison grazes alone in a prairie dog town Bison frequently graze in prairie dog towns. This is because the plants are more nutritious for them and easier to eat. Keywords: bison; buffalo
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two female bison lying down in a patch of dirt in the prairie Cow bison stick together as part of a herd for most of their lives. Keywords: bison; buffalo
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Icy uphill road into bison pasture Keywords: bison; buffalo; nature