Rocky Mountain Wolf
(Information source: Wikipedia)
The northern Rocky Mountain wolf (Canis lupus irremotus) is a subspecies of grey wolf native to the northern Rocky Mountains and the high adjoining plains, from northwestern Wyoming northward through western Montana and eastern Idaho at least to Lethbridge in southern Alberta. It is a light-colored, medium to large-sized subspecies with a narrow, flattened frontal bone. The subspecies was initially listed as Endangered on March 9, 1978, but had the classification removed in the year 2000 due to the effects of the Northern Rocky Mountain Wolf Recovery Plan. On August 6, 2010, the northern Rocky Mountain wolf was ordered to be returned under Endangered Species Act protections by U.S. District Judge Donald Molloy in a decision overturning a previous ruling by the U.S. Fish and Wildlife Service. They were later removed on August 31, 2012 from the list because of Idaho, Montana, and Wyoming meeting the population quotas for the species to be considered stable.[
This subspecies generally weighs 70–150 pounds (32–68 kg) and stands at 26–32 inches, making it one of the largest subspecies of the grey wolf.
Early recorded history of the northern Rocky Mountain wolf found it roaming primarily in the forests that would later become known as Yellowstone National Park. They resided nearby Native Americans of the Tukudika tribe, who considered the wolf to be a sacred animal.
As European settlers began spreading west in the late 19th century, ranchers, farmers, and cattle drivers began to settle in the area. In due time, the northern Rocky Mountain wolf began preying on the livestock brought by the settlers. A practice of eradication was enacted in 1915, through the use of guns, traps, and poison. This policy was made even more all encompassing by the creation of the National Park Service in 1916, which regulated control over the land in Yellowstone and authorized through the National Park Service Organic Act the "destruction of such animals and such plant life that may be detrimental". By 1924, the last known wolves in the bounds of Yellowstone were killed, though small numbers of the northern Rocky Mountain wolf survived in outlying areas.