Mustela nivalis

(*Mustela nivalis*)
## Subspecies

* *M. n. allegheniensis* (Allegheny least weasel)
* *M. n. boccamela* (Transcaucasian least weasel)
* *M. n. campestris* (Plains least weasel)
* *M. n. caucasica* (Caucasian least weasel)
* *M. n. eskimo* (Alaskan least weasel)
* *M. n. heptneri* (Turkmenian least weasel)
* *M. n. namiyei* (Japanese least weasel)
* *M. n. nivalis* (Common least weasel)
* *M. n. numidica* (Mediterranean least weasel)
* *M. n. pallida* (Montane Turkestan least weasel)
* *M. n. pygmaea* (Siberian least weasel)
* *M. n. rixosa* (Bangs' least weasel)
* *M. n. russelliana* (Sichuan least weasel)
* *M. n. vulgaris* (Middle European least weasel)

## Other Names

* Little weasel
* Common weasel
* Weasel

## Physical Description

Winter: White

## Habitats

### Major

* 1.1 Boreal forests
* 1.2 Subarctic forests
* 1.4 Temperate forests
* 3.3 Boreal shrublands
* 3.4 Temperate shrublands
* 4.2 Subarctic grasslands
* 4.4 Temperate grasslands
* 13.3 Coastal sand dunes
* 14.4 Rural gardens

### Suitable

* 5.3 Shrub wetlands
* 6.1 Mountain cliffs and peaks
* 14.1 Arable lands
* 14.2 Pasturelands

## Distribution

### Ecozones

* Nearctic
* Palearctic

### Terrestrial Ecoregions

* NA0401 Allegheny Highlands forests
* NA0402 Appalachian mixed mesophytic forests
* NA0403 Appalachian-Blue Ridge forests
* NA0406 Eastern forest-boreal transition
* NA0407 Eastern Great Lakes lowland forests
* NA0414 Southern Great Lakes forests
* NA0415 Upper Midwest forest-savanna transition
* NA0416 Western Great Lakes forests
* NA0501 Alberta Mountain forests
* NA0502 Alberta-British Columbia foothills forests
* NA0509 Central British Columbia Mountain forests
* NA0514 Fraser Plateau and Basin complex
* NA0518 North Central Rockies forests
* NA0520 Northern Pacific coastal forests
* NA0521 Northern transitional alpine forests
* NA0601 Alaska Peninsula montane taiga
* NA0602 Central Canadian Shield forests
* NA0603 Cook Inlet taiga
* NA0604 Copper Plateau taiga
* NA0605 Eastern Canadian forests
* NA0606 Eastern Canadian Shield taiga
* NA0607 Interior Alaska-Yukon lowland taiga
* NA0608 Mid-Continental Canadian forests
* NA0609 Midwestern Canadian Shield forests
* NA0610 Muskwa-Slave Lake forests
* NA0612 Northern Canadian Shield taiga
* NA0613 Northern Cordillera forests
* NA0614 Northwest Territories taiga
* NA0616 Southern Hudson Bay taiga
* NA0617 Yukon Interior dry forests
* NA0802 Canadian Aspen forests and parklands
* NA0803 Central and Southern mixed grasslands
* NA0804 Central forest-grasslands transition
* NA0805 Central tall grasslands
* NA0807 Flint Hills tall grasslands
* NA0808 Montana Valley and Foothill grasslands
* NA0809 Nebraska Sand Hills mixed grasslands
* NA0810 Northern mixed grasslands
* NA0811 Northern short grasslands
* NA0812 Northern tall grasslands
* NA0815 Western short grasslands
* NA1101 Alaska-St. Elias Range tundra
* NA1103 Arctic coastal tundra
* NA1104 Arctic foothills tundra
* NA1106 Beringia lowland tundra
* NA1107 Beringia upland tundra
* NA1108 Brooks-British Range tundra
* NA1111 Interior Yukon-Alaska alpine tundra
* NA1114 Low Arctic tundra
* NA1115 Middle Arctic tundra
* NA1116 Ogilvie-MacKenzie alpine tundra
* NA1117 Pacific Coastal Mountain icefields and tundra
* NA1118 Torngat Mountain tundra
* PA0401 Appenine deciduous montane forests
* PA0402 Atlantic mixed forests
* PA0404 Balkan mixed forests
* PA0405 Baltic mixed forests
* PA0406 Cantabrian mixed forests
* PA0407 Caspian Hyrcanian mixed forests
* PA0408 Caucasus mixed forests
* PA0409 Celtic broadleaf forests
* PA0410 Central Anatolian deciduous forests
* PA0411 Central China loess plateau mixed forests
* PA0412 Central European mixed forests
* PA0413 Central Korean deciduous forests
* PA0414 Changbai Mountains mixed forests
* PA0416 Crimean Submediterranean forest complex
* PA0418 Dinaric Mountains mixed forests
* PA0419 East European forest steppe
* PA0420 Eastern Anatolian deciduous forests
* PA0421 English Lowlands beech forests
* PA0422 Euxine-Colchic broadleaf forests
* PA0423 Hokkaido deciduous forests
* PA0426 Manchurian mixed forests
* PA0428 Nihonkai montane deciduous forests
* PA0429 North Atlantic moist mixed forests
* PA0430 Northeast China Plain deciduous forests
* PA0431 Pannonian mixed forests
* PA0432 Po Basin mixed forests
* PA0433 Pyrenees conifer and mixed forests
* PA0435 Rodope montane mixed forests
* PA0436 Sarmatic mixed forests
* PA0438 South Sakhalin-Kurile mixed forests
* PA0439 Southern Korea evergreen forests
* PA0443 Ussuri broadleaf and mixed forests
* PA0444 Western Siberian hemiboreal forests
* PA0445 Western European broadleaf forests
* PA0446 Zagros Mountains forest steppe
* PA0501 Alps conifer and mixed forests
* PA0502 Altai montane forest and forest steppe
* PA0503 Caledon conifer forests
* PA0504 Carpathian montane forests
* PA0505 Da Hinggan-Dzhagdy Mountains conifer forests
* PA0507 Elburz Range forest steppe
* PA0510 Hokkaido montane conifer forests
* PA0511 Honshu alpine conifer forests
* PA0512 Khangai Mountains conifer forests
* PA0513 Mediterranean conifer and mixed forests
* PA0515 Northern Anatolian conifer and deciduous forests
* PA0519 Sayan montane conifer forests
* PA0520 Scandinavian coastal conifer forests
* PA0521 Tian Shan montane conifer forests
* PA0601 East Siberian taiga
* PA0603 Kamchatka-Kurile meadows and sparse forests
* PA0604 Kamchatka-Kurile taiga
* PA0605 Northeast Siberian taiga
* PA0606 Okhotsk-Manchurian taiga
* PA0607 Sakhalin Island taiga
* PA0608 Scandinavian and Russian taiga
* PA0609 Trans-Baikal conifer forests
* PA0610 Ural montane forests and tundra
* PA0611 West Siberian taiga
* PA0801 Alai-Western Tian Shan steppe
* PA0802 Altai steppe and semi-desert
* PA0803 Central Anatolian steppe
* PA0804 Daurian forest steppe
* PA0805 Eastern Anatolian montane steppe
* PA0806 Emin Valley steppe
* PA0808 Gissaro-Alai open woodlands
* PA0809 Kazakh forest steppe
* PA0810 Kazakh steppe
* PA0811 Kazakh upland
* PA0812 Middle East steppe
* PA0813 Mongolian-Manchurian grassland
* PA0814 Pontic steppe
* PA0815 Sayan Intermontane steppe
* PA0816 Selenge-Orkhon forest steppe
* PA0817 South Siberian forest steppe
* PA0818 Tian Shan foothill arid steppe
* PA0901 Amur meadow steppe
* PA0903 Nenjiang River grassland
* PA0907 Suiphun-Khanka meadows and forest meadows
* PA1001 Altai alpine meadow and tundra
* PA1007 Khangai Mountains alpine meadow
* PA1008 Kopet Dag woodlands and forest steppe
* PA1010 Mediterranean High Atlas juniper steppe
* PA1014 Pamir alpine desert and tundra
* PA1016 Sayan Alpine meadows and tundra
* PA1019 Tian Shan montane steppe and meadows
* PA1101 Arctic desert
* PA1102 Bering tundra
* PA1103 Cherskii-Kolyma mountain tundra
* PA1104 Chukchi Peninsula tundra
* PA1105 Kamchatka Mountain tundra and forest tundra
* PA1106 Kola Peninsula tundra
* PA1107 Northeast Siberian coastal tundra
* PA1108 Northwest Russian-Novaya Zemlya tundra
* PA1110 Scandinavian montane birch forest and grasslands
* PA1111 Taimyr-Central Siberian tundra
* PA1112 Trans-Baikal Bald Mountain tundra
* PA1114 Yamal-Gydan tundra
* PA1201 Aegean and Western Turkey sclerophyllous and mixed forests
* PA1202 Anatolian conifer and deciduous mixed forests
* PA1207 Eastern Mediterranean conifer-sclerophyllous-broadleaf forests
* PA1208 Iberian conifer forests
* PA1209 Iberian sclerophyllous and semi-deciduous forests
* PA1210 Illyrian deciduous forests
* PA1211 Italian sclerophyllous and semi-deciduous forests
* PA1212 Mediterranean acacia-argania dry woodlands and succulent thickets
* PA1213 Mediterranean dry woodlands and steppe
* PA1214 Mediterranean woodlands and forests
* PA1215 Northeastern Spain and Southern France Mediterranean forests
* PA1216 Northwest Iberian montane forests
* PA1217 Pindus Mountains mixed forests
* PA1218 South Appenine mixed montane forests
* PA1219 Southeastern Iberian shrubs and woodlands
* PA1220 Southern Anatolian montane conifer and deciduous forests
* PA1221 Southwest Iberian Mediterranean sclerophyllous and mixed forests
* PA1222 Tyrrhenian-Adriatic sclerophyllous and mixed forests
* PA1305 Azerbaijan shrub desert and steppe
* PA1306 Badghyz and Karabil semi-desert
* PA1308 Caspian lowland desert
* PA1305 Azerbaijan shrub desert and steppe
* PA1306 Badghyz and Karabil semi-desert
* PA1308 Caspian lowland desert
* PA1310 Central Asian northern desert
* PA1311 Central Asian riparian woodlands
* PA1312 Central Asian southern desert
* PA1313 Central Persian desert basins
* PA1314 Eastern Gobi desert steppe
* PA1315 Gobi Lakes Valley desert steppe
* PA1316 Great Lakes Basin desert steppe
* PA1317 Junggar Basin semi-desert
* PA1318 Kazakh semi-desert
* PA1319 Kopet Dag semi-desert
* PA1320 Mesopotamian shrub desert
* PA1330 Taklimakan desert