Common Otter
Lontra canadensis (Schreber, 1777)
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Chordata |
| Class | Mammalia |
| Order | Carnivora |
| Family | Mustelidae |
| Genus | Lontra |
| Species | Lontra canadensis (Schreber, 1777) |
Description
Diagnostic characters
- Ecological class
- Stygoxene
- Realm
- Aquatic
Distribution
Range
Known from one county in Oklahoma.
Continent
North America
Country
United States
States and provinces
Oklahoma
Counties
- Oklahoma
- Delaware
Conservation and management
IUCN Red List
LC Least Concern
Assessed in 2021.
NatureServe
G5 Secure
National ranks
- Canada
- N5 Secure
- United States
- N5 Secure
Subnational ranks
- New Brunswick
- S5 Secure
- Alberta
- S4 Apparently Secure
- Nova Scotia
- S5 Secure
- Saskatchewan
- S3 Vulnerable
- Ontario
- S5 Secure
- Manitoba
- S5 Secure
- British Columbia
- S5 Secure
- Yukon
- S4 Apparently Secure
- Newfoundland and Labrador
- S5 Secure
- Prince Edward Island
- SU Unrankable
- Northwest Territories
- S4 Apparently Secure
- Quebec
- S5 Secure
- Nunavut
- SU Unrankable
- Colorado
- S3 Vulnerable
- Illinois
- S2 Imperiled
- Alaska
- S5 Secure
- Idaho
- S4 Apparently Secure
- South Dakota
- S3 Vulnerable
- Florida
- SNR Unranked
- Oklahoma
- S3 Vulnerable
- South Carolina
- S4 Apparently Secure
- Wyoming
- S3 Vulnerable
- Mississippi
- S4 Apparently Secure
- Iowa
- S3 Vulnerable
- Nebraska
- S4 Apparently Secure
- Montana
- S5 Secure
- Rhode Island
- S4 Apparently Secure
- New York
- S5 Secure
- Tennessee
- S3 Vulnerable
- Connecticut
- S5 Secure
- Pennsylvania
- S4 Apparently Secure
- North Dakota
- S3 Vulnerable
- New Mexico
- SH Possibly Extirpated
- Alabama
- S4 Apparently Secure
- Arkansas
- S5 Secure
- Vermont
- S5 Secure
- Missouri
- S5 Secure
- Georgia
- S5 Secure
- California
- SNR Unranked
- Utah
- S3 Vulnerable
- Arizona
- SH Possibly Extirpated, SNA Not Applicable
- Delaware
- S4 Apparently Secure
- Massachusetts
- S4 Apparently Secure
- Indiana
- S5 Secure
- District of Columbia
- S1 Critically Imperiled
- New Hampshire
- S5 Secure
- Navajo Nation
- S1 Critically Imperiled
- Nevada
- S2 Imperiled
- North Carolina
- S4 Apparently Secure
- Louisiana
- S4 Apparently Secure
- Oregon
- S4 Apparently Secure
- Michigan
- S4 Apparently Secure
- Washington
- S4 Apparently Secure
- Maine
- S5 Secure
- Kentucky
- S3 Vulnerable
- West Virginia
- S4 Apparently Secure
- Wisconsin
- S4 Apparently Secure
- Kansas
- S3 Vulnerable
- Maryland
- S5 Secure
- Virginia
- S4 Apparently Secure
- Ohio
- S3 Vulnerable
- Minnesota
- SNR Unranked
- Texas
- S3 Vulnerable
- New Jersey
- S4 Apparently Secure
Ranks looked up 2 August 2026. Conservation status changes, and a rank here is as current as that date and no more.
State and federal status
Not listed under the U.S. Endangered Species Act.
References
- Fenolio, D.B. 2017. 2017 Ozark aquatic subterranean wildlife surveys. Report to Oklahoma Biological Survey. San Antonio Zoo, San Antonio, Texas, USA. 15 pp.
- Fenolio, D.B., Niemiller, M.L., Slay, M.E. & Carter, E.T. 2018. Biological inventories of caves in the Ozarks of northeastern Oklahoma: December 2018 field report. Report to Oklahoma Biological Survey. San Antonio Zoo, San Antonio, Texas, USA. 25 pp.
- Fenolio, D.B., Slay, M.E. & Niemiller, M.L. 2023b. Biological inventories of caves in the Ozarks of northeastern Oklahoma: December 2023 field report. Report to Oklahoma Biological Survey. San Antonio Zoo, San Antonio, Texas, USA. 24 pp.
This account was last revised 6 September 2026. Conservation ranks were looked up 2 August 2026.
How to cite this account
Lontra canadensis (Schreber, 1777). Cave Biology Data Portal, account SP-2599. https://cavebiology.org/species/lontra-canadensis/ (accessed 22 October 2026).
Data sources and funding are listed in the Acknowledgments.
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