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Bighorn sheep inhabit alpine meadows, grassy mountain slopes, and foothill country near rugged, rocky cliffs and bluffs. [8] Since bighorn sheep cannot move through deep snow, they prefer drier slopes, where the annual snowfall is less than about 150 cm (60 in) per year. [8] A bighorn's winter range usually has lower elevations than its summer ...
The common name, Dall's sheep or Dall sheep is often used to refer to the nominate subspecies, O. d. dalli. The other subspecies, O. d. stonei, is called the Stone sheep. Originally, the subspecies O. d. dalli and O. d. stonei were distinguished by the color of their fur. However, the pelage-based designations have been shown to be questionable.
The National Bighorn Sheep Center (formerly known as the National Bighorn Sheep Interpretative Center) is a 2,775-square-foot (257.8 m 2) Interpretive Center [1] dedicated to public education about the biology and habitat of the Rocky Mountain Bighorn Sheep with specific focus on the currently largest herd of Rocky Mountain Bighorn sheep in the coterminous United States that winter in the ...
Big Horn, Manchester, a public sculpture in Manchester, England; Big Horn Academy Building, a school in Cowley, Wyoming, US; Big Horn Hotel, a demolished historic building in Arminto, Wyoming, US; The Big Horn, a 1979 album by Houston Person; Bighorn Airways, an American charter company; Bighorn Fire, a 2020 wildfire near Tucson, Arizona, US
The Sierra Nevada bighorn sheep (Ovis canadensis sierrae) is subspecies of bighorn sheep unique to the Sierra Nevada mountains of California. [3] A 2016 genetics study confirmed significant divergence between the three subspecies of North America's bighorn sheep: Sierra Nevada bighorn sheep, Rocky Mountain bighorn sheep and desert bighorn sheep. [4]
Ovis nivicola appeared about 600,000 years ago. A number of these wild sheep crossed the Bering Land Bridge (), from Siberia into Alaska, during the Pleistocene epoch (about 750,000 years ago); new and extant lineages were created from this migration, notably the North American Dall sheep (or thin-horn sheep) and the bighorn sheep, the two which O. nivicola is most closely related to.
The Badlands bighorn (Ovis canadensis auduboni), commonly known as Audubon's bighorn sheep, is an extinct subspecies or population of bighorn sheep of the northern Great Plains in North America. Its existence as a separate subspecies is disputed.
Desert bighorn sheep populations have trended upward since the 1960s. The upward trend was caused by conservation measures, including habitat preservation. In 1978, desert bighorn sheep populations were estimated at 8,415-9,040. [15] A state-by-state survey published in 1985 estimated the overall US desert bighorn sheep population at 15,980. [16]