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Weasels // are mammals forming the genus Mustela of the Mustelidae family. The genus includes the weasels, European polecats, stoats, ferrets and European minks. They are small, active predators, long and slender with short legs. The Mustelidae family (which also includes badgers, otters and wolverines) is often referred to as the weasel family. In the UK, the term "weasel" usually refers to the smallest species Mustela nivalis (also known as the least weasel).
Weasels vary in length from 173 to 217 mm (6.8 to 8.5 in), females being smaller than the males, and usually have red or brown upper coats and white bellies; some populations of some species moult to a wholly white coat in winter. They have long, slender bodies, which enable them to follow their prey into burrows. Their tails may be from 34 to 52 mm (1.3 to 2.0 in) long. Weasels have a reputation for cleverness, quickness and guile.
Weasels feed on small mammals, and have from time to time been considered vermin, since some species took poultry from farms, or rabbits from commercial warrens. They can be found all across the world except for Antarctica, Australia, and neighbouring islands.
The English word "weasel" was originally applied to one species of the genus, the European form of the least weasel (Mustela nivalis). This usage is retained in British English, where the name is also extended to cover several other small species of the genus. However, in technical discourse and in American usage, the term "weasel" can refer to any member of the genus, or to the genus as a whole. Of the 17 extant species currently classified in the genus Mustela, ten have "weasel" in their common names. Among those that do not are the stoat, the polecats, the ferret, and the European mink. (The superficially similar American mink is now regarded as belonging in another genus, Neovison.)
The following information is according to the Integrated Taxonomic Information System.
|Mustela africana||Desmarest, 1800||Amazon weasel||South America|
|Mustela altaica||Pallas, 1811||Mountain weasel||Europe & Northern Asia|
|Mustela erminea||Linnaeus, 1758||Stoat|
|Europe & Northern Asia|
Southern Asia (non-native)
New Zealand (non-native)
|Mustela eversmannii||Lesson, 1827||Steppe polecat||Europe & Northern Asia|
|Mustela felipei||Izor and de la Torre, 1978||Colombian weasel||South America|
|Mustela frenata||Lichtenstein, 1831||Long-tailed weasel||Middle America|
|Mustela itatsi||Temminck, 1844||Japanese weasel||Japan & Sakhalin Is. (Russia)|
|Mustela kathiah||Hodgson, 1835||Yellow-bellied weasel||Southern Asia|
|Mustela lutreola||(Linnaeus, 1761)||European mink||Europe & Northern Asia|
|Mustela lutreolina||Robinson and Thomas, 1917||Indonesian mountain weasel||Southern Asia|
|Mustela nigripes||(Audubon and Bachman, 1851)||Black-footed ferret||North America|
|Mustela nivalis||Linnaeus, 1766||Least weasel||Europe, Northern Asia|
Southern Asia (non-native)
New Zealand (non-native)
|Mustela nudipes||Desmarest, 1822||Malayan weasel||Southern Asia|
|Mustela putorius||Linnaeus, 1758||European polecat|
Domesticated ferret (ssp. furo)
|Europe, northern Asia|
New Zealand (ssp. furo) (non-native)
|Mustela sibirica||Pallas, 1773||Siberian weasel||Europe, northern Asia|
|Mustela strigidorsa||Gray, 1855||Back-striped weasel||Southern Asia|
|Mustela subpalmata||Hemprich and Ehrenberg, 1833||Egyptian weasel||Egypt|
1 Europe and northern Asia division excludes China.
Weasels have been assigned a variety of different cultural meanings. In Greek culture, a weasel near the house is a sign of bad luck, even evil, "especially if there is in the household a girl about to be married", since the animal (based on its Greek etymology) was thought to be an unhappy bride who was transformed into a weasel and consequently delights in destroying wedding dresses. In neighboring Macedonia, however, weasels are generally seen as an omen of good fortune.
In early modern Mecklenburg, Germany, amulets from weasels were deemed to have strong magic; the period between August 15 and September 8 was specifically designated for the killing of weasels. In Montagne Noire (France), Ruthenia (Eastern Europe), and in the early medieval culture of the Wends, weasels were not meant to be killed.
In Japan, weasels (鼬、鼬鼠 itachi?) were seen as yōkai from time immemorial, and they cause various strange occurrences. According to the encyclopedia Wakan Sansai Zue from the Edo period, a nate of weasels would cause conflagrations, and the cry of a weasel was considered a harbinger of misfortune. In the Niigata Prefecture, the sound of a nate of weasels making a rustle resembled 6 people hulling rice, and therefore was called the "the weasel's six-person mortar", and it was an omen for one's home to decline or flourish. It is said that when people chase after this sound, the sound stops.
They are also said to shapeshift like the fox (kitsune) or tanuki, and the nyūdō-bōzu told about in legends in the Tōhoku region and the Chūbu region are considered weasels in disguise, and they are also said to shapeshift into ōnyūdō and little monks.
In the collection of depictions, the Gazu Hyakki Yagyō by Sekien Toriyama, they were depicted under the title 鼬, but they were read not as "itachi" but rather as "ten", and "ten" were considered to be weasels that have reached one hundred years of age and became yōkai that possessed supernatural powers. Another theory is that when weasels reach several hundred years of age, they become mujina.
Kamaitachi are a phenomenon where when one is not doing anything, suddenly one would get injured as if one's skin was cut by a scythe.
In the past this was thought to be "the deed of an invisible yōkai weasel". However, this has been established as a physiological phenomenon that dried skin that receives a shock would tear off.
Also, there is the theory that "kamaitachi" are derived from "kamae tachi (構え太刀 "stance sword"?)", and therefore were not originally related to weasels at all.
In Kenneth Grahame's classic children's book of 1908, The Wind in the Willows, a pack of armed weasels overrun Toad Hall, and have to be ejected by Badger, Mole, Ratty and Toad.
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