Some authors had described as many as four additional North American subspecies, including ones limited to Vancouver Island ( G. There are two subspecies: the Old World form, Gulo gulo gulo, and the New World form, G.
Genetic evidence suggests that the wolverine is most closely related to the tayra and martens, all of which shared a Eurasian ancestor. Wolverine skull from the Pleistocene of Germany at the Natural History Museum, Berlin The wolverine is now essentially absent from the southern end of its range in both Europe and North America. Its population has steadily declined since the 19th century owing to trapping, range reduction and habitat fragmentation. state of Alaska, the mainland Nordic countries of Europe, and throughout western Russia and Siberia. The wolverine is found primarily in remote reaches of the Northern boreal forests and subarctic and alpine tundra of the Northern Hemisphere, with the greatest numbers in Northern Canada, the U.S. The wolverine has a reputation for ferocity and strength out of proportion to its size, with the documented ability to kill prey many times larger than itself. It is a muscular carnivore and a solitary animal. The wolverine ( / ˈ w ʊ l v ə r iː n/), Gulo gulo ( Gulo is Latin for " glutton"), also referred to as the glutton, carcajou, or quickhatch (from East Cree, kwiihkwahaacheew), is the largest land-dwelling species of the family Mustelidae.
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