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Illustration of a Pleistocene wolf cranium that was found in Kents Cavern, Torquay, England [1]. It is widely agreed that the evolutionary lineage of the grey wolf can be traced back 2 million years to the Early Pleistocene species Canis etruscus, and its successor the Middle Pleistocene Canis mosbachensis.
Its genetic diversity was higher than that of its modern counterparts, implying that the wolf population of the Late Pleistocene was larger than the present population. Modern North American wolves are not their descendants, and this supports the existence of a separate origin for ancient and extant North American wolves. [5]
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. [18]
Reintroduction of wolves. 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 ...
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.
The second newly sighted pack, dubbed the Diamond pack, containing two adult wolves, was seen about 50 miles north of Lake Tahoe. Since last year, biologists watched the pair to see if they met ...
Red wolves are substantially larger, weighing up to 80 pounds (36.2 kilograms), while the largest coyotes in the area weigh in at around 35 pounds (15.8 kilograms), says Joe Madison, North ...
Beringian wolves possessed a craniodental morphology that was more specialized than modern gray wolves and Rancho La Brea wolves for capturing, dismembering, and consuming the bones of very large megaherbivores, [8] [18] having evolved this way due to the presence of megafauna. [53] Their stronger jaws and teeth indicate a hypercarnivorous ...