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It was named in 1912 by Gerrit Smith Miller Jr., who noted that it closely approaches the Great Plains wolf in skull and tooth morphology, though possessing a narrower rostrum and palate. [4] It is a large, white-colored wolf closely resembling C. l. pambasileus , though lighter in color. [ 5 ]
The wolf is the largest wild extant member of the family Canidae, and is further distinguished from other Canis species by its less pointed ears and muzzle, as well as a shorter torso and a longer tail. The wolf is nonetheless related closely enough to smaller Canis species, such as the coyote and the golden jackal, to produce fertile hybrids ...
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]
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 tundra wolf (Canis lupus albus), also known as the Turukhan wolf, [3] is a subspecies of grey wolf native to Eurasia's tundra and forest-tundra zones from Finland to the Kamchatka Peninsula. [3] It was first described in 1792 by Robert Kerr , who described it as living around the Yenisei , and of having a highly valued pelt.
Northwestern wolves are one of the largest subspecies of wolves. In British Columbia, Canada, five adult females averaged 42.5 kg or 93.6 lbs with a range of 85 lbs to 100 lbs (38.6 - 45.4 kg) and ten adult males averaged 112.2 lbs or 51.7 kg with a range of 105 lbs to 135 lbs (47.6 - 61.2 kg), with a weight range for all adults of 38.6 kg to 61.2 kg (85 - 135 lbs). [9]
It demonstrated the existence of personality traits in animals and provided a foundation for similar assessment strategies in future studies of personality in animals. [8] Similarly, zebrafish have been used as a neurobehavioral model species for studying personality using the trait approach in non-human animals. These studies can then be ...
The only time at which the wolf migrates is during the wintertime when there is complete darkness for 24 hours. This makes Arctic wolf movement hard to research. About 2,250 km (1,400 mi) south of the High Arctic, a wolf movement study took place in the wintertime in complete darkness, when the temperature was as low as −53 °C (−63 °F).