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As wolves had been in the fossil record of North America but modern wolves could trace their ancestry back only 80,000 years, the wolf haplotypes that were already in North America were replaced by these invaders, either through competitive displacement or through admixture. [129]
Wolf after re-introduction. The history of wolves in Yellowstone includes the extirpation, absence and reintroduction of wild populations of the gray wolf (Canis lupus) to Yellowstone National Park and the Greater Yellowstone Ecosystem. When the park was created in 1872, wolf populations were already in decline in Montana, Wyoming and Idaho.
Wolves were reintroduced to the park in 1995, after being driven extinct in the area nearly 100 years ago. It is estimated that approximately 500 wolves are present now throughout the Greater ...
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]
Wolves have naturally migrated in the three state region. As of 2021, the estimated stable population is 4,400 in the three states. [20] Wolves may also disperse across the Great Plains into this region from the northern Rocky Mountain region which includes Wyoming with approximately 300 wolves and Colorado with a small population.
The northwestern wolf (Canis lupus occidentalis), also known as the Mackenzie Valley wolf, [5] Alaskan timber wolf, [6] or Canadian timber wolf, [7] is a subspecies of gray wolf in western North America. Arguably the largest gray wolf subspecies in the world, it ranges from Alaska, the upper Mackenzie River Valley; southward throughout the ...
The werewolf trials. While most people know of the witch trials that took place in Europe and in the American colonies (including Salem, Massachusetts) during the 1500's and 1600's, few are aware ...
In Russia's far northeastern Yakutia region, local scientists are performing an autopsy on a wolf frozen in permafrost for around 44,000 years, a find they said was the first of its kind. Found by ...