largest land-dwelling species of the family Mustelidae From Wikipedia, the free encyclopedia
The wolverine or glutton (Gulo gulo) is the largest member of the Mustelidae family (the weasels). It is a stocky and muscular carnivore, more like a small bear than other mustelids. The wolverine, a solitary animal, has a reputation for ferocity, and can kill prey many times larger than itself. It is a powerful and versatile predator and scavenger.
| Wolverine | |
|---|---|
| |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Carnivora |
| Family: | Mustelidae |
| Genus: | Gulo |
| Species: | G. gulo |
| Binomial name | |
| Gulo gulo | |
| Subspecies | |
|
G. g. luscus | |
 | |
| Wolverine ranges | |
| Synonyms | |
|
Mustela gulo Linnaeus, 1758 | |
There is a clear difference between two subspecies: the Old World form Gulo gulo gulo and the New World form G. g. luscus.[1]
The male is about 18 in (46 cm) tall, the female 14 in (36 cm). Their length ranges from 36 in (91 cm) (female) to 45 in (110 cm) (male) and they reach a weight of around 25–36 lb (11–16 kg). Their tail measures about 8 in (20 cm). Their brown fur protects them from the extremely cold temperatures and their big feet enable them to walk on top of snow.
Wolverines live primarily in isolated arctic and alpine regions of northern Canada, Alaska, Siberia, and Scandinavia. they are also native to European Russia, the Baltic countries, northeast China and Mongolia. In 2008 and 2009, wolverines were sighted as far south as the Sierra Nevada, near Lake Tahoe, for the first time since 1922.[2][3][4] They are also found in low numbers in the Rocky Mountains and northern Cascades of the United States, and have been sighted as far south and east as Michigan.[5] However, most New World wolverines live in Canada.
Wolverines feed on almost every type of food that they can find: mice, rats, birds, bird eggs, reindeer and other large prey. Wolverines prefer to hunt larger prey in winter, when the snow slows down the prey and gives the wolverine an advantage.
Wolverines are highly territorial.[6] Wolverines reproduce every two or three years. The female gives birth to one to three young (called kits) in a tunnel called a den deep underneath snowdrifts.
Humans are the wolverine’s main enemy. The wolverine’s thick, warm fur is used to manufacture the trim of a parka's hood or other winter clothes, as the dense guard hairs do not collect frost.
In February 2013, the United States Fish and Wildlife Service proposed giving Endangered Species Act protections to the wolverine largely because climate change (global warming) is whittling away its wintry habitat in the northern Rockies.[7][8] Wolverines have poor eyesight but a keen sense of smell, they can smell prey 20 feet under the snow.
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