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The first documented all-black eastern wolf was found to have been an eastern wolf–gray wolf hybrid. [49] Like the red wolf, the eastern wolf is intermediate in size between the coyote and gray wolf, with females weighing 23.9 kilograms (53 lb) on average and males 30.3 kilograms (67 lb).
The eastern wolf has two proposals over its origin. One is that the eastern wolf is a distinct species (C. lycaon) that evolved in North America, as opposed to the gray wolf that evolved in the Old World, and is related to the red wolf. The other is that it is derived from admixture between gray wolves, which inhabited the Great Lakes area and ...
The wolf (Canis lupus; [b] pl.: wolves), also known as the grey wolf or gray wolf, is a canine native to Eurasia and North America.More than thirty subspecies of Canis lupus have been recognized, including the dog and dingo, though grey wolves, as popularly understood, only comprise naturally-occurring wild subspecies.
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 ...
The grey wolf was exterminated in Denmark in 1772 and Norway's last wolf was killed in 1973. The species was almost wiped out in 20th-century Finland, despite regular dispersals from Russia. The grey wolf was present only in the eastern and northern parts of Finland by 1900, though its numbers increased after World War II. [20]
Under an agreement with the Center for Biological Diversity, the U.S. Fish and Wildlife Service will update the national gray wolf recovery plan.
In May 2011, an examination of 48,000 single nucleotide polymorphisms in red wolves, eastern wolves, gray wolves, and dogs indicated that the red and eastern wolves were hybrid species, with the red wolf being 76% coyote and 20% gray wolf, and the eastern wolf being 58% gray wolf and 42% coyote, finding no evidence of being distinct species in ...
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]