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The Rocky Mountain bighorn sheep is the provincial mammal of Alberta and the state animal of Colorado and, as such, is incorporated into the symbol for the Colorado Division of Parks and Wildlife. [50] The Desert bighorn sheep is the state mammal of Nevada. [51]
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]
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]
EL PASO, Texas– A herd of bighorn sheep went on a big airborne adventure to get to a new home in Texas' Franklin Mountains State Park this week. In the videos documented by Texas Parks ...
Only 39% of the 115 bighorn sheep translocations are persisting in 6 Rocky Mountain states. Populations of 100 or more sheep now occur in 10 national park units, populations of 100-200 sheep in 5 units, and populations of more than 500 sheep in 5 units. Populations of fewer than 100 animals exist in 5 other park units. [1]
The Texas Parks and Wildlife Department is working to restore populations of the native desert bighorn sheep and will release some in Franklin Mountains this fall.
There are only approximately 80,000 North American bighorn sheep on the continent currently — much less than the between 150,000 and 200,000 that existed before the 1800’s.
Bighorn sheep in the Kofa National Wildlife Refuge. The Kofa National Wildlife Refuge is located in Arizona in the southwestern United States, northeast of Yuma and southeast of Quartzsite. The refuge, established in 1939 to protect desert bighorn sheep, encompasses over 665,400 acres (2,693 km 2) of the Yuma Desert region of the Sonoran Desert.