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Formerly called the National Bison Range, the size of the bison herd at the BR is 350 adult bison and welcomes 50–60 calves per year. Established as a National Wildlife Refuge in 1908, the BR consists of approximately 18,524 acres (7,496 ha) within the Montana valley and foothill grasslands.
Bison in enclosure at Nachusa with Illinois Nature Preserves Commission sign. The Nachusa Grasslands planning process called for running up to 100 American bison (Bison bison, also commonly known as "buffalo") on approximately 1,500 acres (610 ha) of the preserve. [6] [7] Thirty bison from the Wind Cave bison herd were released in October 2014. [8]
The Texas State Bison Herd is also a useful example of the deleterious effects of extreme population bottlenecking, with an average natality rate of 0.376 offspring per female and a 1st-year mortality rate of 52.6% from 1997 to 2002, compared to an average natality rate of 0.560 offspring per female and a 1st-year mortality rate of 4.2% for the ...
The bison mostly stick to a 38,000-acre (15,000 ha) zone in the northeastern corner of the base between Basilone Road and Roblar Road. [ 15 ] [ 4 ] [ 8 ] Located about 12 miles (19 km) inland, [ 10 ] their preferred pasturage is a relatively higher-elevation zone described as "an isolated land of rolling hills dotted by sycamores , live oaks ...
The Henry Mountains bison herd is located mostly with the 2 million acres (8,100 km 2) of land on or around the Henry Mountains of south-central Utah. An ongoing attempt is being made to expand the herd to include areas in the mountains of the Book Cliffs which are farther north.
In March 2012, 63 American bison from Yellowstone National Park were transferred to the Fort Peck Indian Reservation prairie, to be released to a 2,100-acre (8.5 km 2; 3.3 sq mi) game preserve 25 miles (40 km) north of Poplar. [15] There are many other bison herds, but this is one of the very few not cross-bred with cattle.
Bison at Midewin National Tallgrass Prairie in June 2016 In 2015, the prairie approved the use of 1,200 acres (490 ha) to establish a conservation herd of American bison . The 20-year plan will study the relationship between the historic large grazing animal, which almost became extinct, and prairie restoration and health.
The Antelope Island bison herd is a semi–free-ranging population of American bison (Bison bison, buffalo) in Antelope Island State Park in Great Salt Lake, Utah. Bison were introduced to Antelope Island in 1893. The herd is significant because it is one of the largest and oldest publicly owned bison herds in the nation. [2]