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Since 1973, the gray wolf has been on and off the federal government's endangered species list. When the wolves are on the list, advocates say the protections help wolves' place in the natural ...
By December 2011, Oregon's gray wolf population had grown to 24. One of the Oregon gray wolves, known as OR-7, traveled more than 700 miles (1,100 km) to the Klamath Basin and crossed the border into California. [138] Wolf OR-7 became the first wolf west of the Cascades in Oregon since the last bounty was claimed in 1947. [139]
In 2021, a mitochondrial DNA analysis of North American wolf-like canines indicates that the extinct Late Pleistocene Beringian wolf was the ancestor of the southern wolf clade, which includes the Mexican wolf and the Great Plains wolf. The Mexican wolf is the most ancestral of the gray wolves that live in North America today. [17]
The U.S. Fish and Wildlife Service has denied a request to weaken sanctions on the protection of gray wolves in the contiguous United States. There are 5,500 gray wolf individuals in the wild in ...
Recovery of Gray Wolves in the Great Lakes Region of the United States: An Endangered Species Success Story. Springer. ISBN 978-0-387-85951-4. OCLC 308158198. Thiel, Richard P. (1993). The Timber Wolf in Wisconsin: The Death and Life of a Majestic Predator. University of Wisconsin Press. ISBN 978-0-299-13944-5.
The gray wolf was one of the first species to be listed as endangered (1967) under the Endangered Species Preservation Act of 1966. [16] However, until the passage of the Endangered Species Act of 1973, there was no legal basis or process for re-introducing the gray wolf to Yellowstone National Park and the Greater Yellowstone Ecosystem. [15]
In 1974 when the gray wolf was officially listed as endangered under the Endangered Species Act, there were only about 750 wolves in the Great Lakes region.Today, it is estimated that there are ...
Two wolf subspecies that live in the northern Rocky Mountains: Canis lupus irremotus (left) and Canis lupus occidentalis (right) The northern Rocky Mountain wolf preys primarily on the bison, elk, the Rocky Mountain mule deer, and the beaver, though it is an opportunistic animal and will prey upon other species if the chance arises. But, for ...