Least Weasel
Mustela nivalis Linnaeus, 1766
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Chordata |
| Class | Mammalia |
| Order | Carnivora |
| Family | Mustelidae |
| Genus | Mustela |
| Species | Mustela nivalis Linnaeus, 1766 |
Description
Diagnostic characters
- Ecological class
- Trogloxene
- Realm
- Terrestrial
Distribution
Range
Counties
County-level records have not been compiled for this taxon. Distribution is recorded at state and karst-region level.
Conservation and management
IUCN Red List
LC Least Concern
Assessed in 2019.
NatureServe
G5 Secure
National ranks
- Canada
- N5 Secure
- United States
- N5 Secure
Subnational ranks
- British Columbia
- S4 Apparently Secure
- Alberta
- S5 Secure
- Yukon
- S4 Apparently Secure
- Newfoundland and Labrador
- S2 Imperiled
- Saskatchewan
- S5 Secure
- Northwest Territories
- S5 Secure
- Nunavut
- S5 Secure
- Manitoba
- S3 Vulnerable
- Quebec
- S2 Imperiled
- Ontario
- SU Unrankable
- North Carolina
- S2 Imperiled
- Indiana
- S2 Imperiled
- Ohio
- SNR Unranked
- Virginia
- S3 Vulnerable
- Illinois
- S3 Vulnerable
- Wisconsin
- S4 Apparently Secure
- NE
- S5 Secure
- Maryland
- S2 Imperiled
- Michigan
- S5 Secure
- ND
- S4 Apparently Secure
- Montana
- S4 Apparently Secure
- Georgia
- S1 Critically Imperiled
- Alaska
- S4 Apparently Secure
- Minnesota
- S3 Vulnerable
- Iowa
- S3 Vulnerable
- South Carolina
- S2 Imperiled
- Tennessee
- S2 Imperiled
- Wyoming
- S1 Critically Imperiled
- Missouri
- S3 Vulnerable
- New York
- S1 Critically Imperiled
- West Virginia
- S3 Vulnerable
- Kansas
- S4 Apparently Secure
- Pennsylvania
- S5 Secure
- South Dakota
- S5 Secure
- Kentucky
- S2 Imperiled
State and federal status
Not listed under the U.S. Endangered Species Act
How to cite this account
Mustela nivalis Linnaeus, 1766. Cave Biology Data Portal, account SP-2675. https://cavebiology.org/species/mustela-nivalis/ (accessed 7 September 2026).
Data sources and funding are listed in the Acknowledgments.
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