Timber Rattlesnake
Crotalus horridus Linnaeus, 1758
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Chordata |
| Class | Reptilia |
| Order | Squamata |
| Family | Viperidae |
| Genus | Crotalus |
| Species | Crotalus horridus Linnaeus, 1758 |
Description
Diagnostic characters
- Ecological class
- Accidental
Distribution
Range
Known from one county in Tennessee.
Continent
North America
Country
United States
States and provinces
Tennessee
Counties
- Tennessee
- Franklin
Conservation and management
IUCN Red List
LC Least Concern
Assessed in 2007.
NatureServe
G4 Apparently Secure
National ranks
- United States
- N4 Apparently Secure
- Canada
- NX
Subnational ranks
- Ohio
- S1 Critically Imperiled
- New Jersey
- S1 Critically Imperiled
- Vermont
- S1 Critically Imperiled
- Georgia
- S3 Vulnerable
- Missouri
- S3 Vulnerable
- West Virginia
- S3 Vulnerable
- Wisconsin
- S2 Imperiled
- Maine
- SX Presumed Extirpated
- Pennsylvania
- S3 Vulnerable
- Rhode Island
- SX Presumed Extirpated
- District of Columbia
- SH Possibly Extirpated
- Minnesota
- S2 Imperiled
- Iowa
- S3 Vulnerable
- New Hampshire
- S1 Critically Imperiled
- Connecticut
- S1 Critically Imperiled
- Tennessee
- S4 Apparently Secure
- Oklahoma
- S3 Vulnerable
- Alabama
- S5 Secure
- Maryland
- S3 Vulnerable
- Illinois
- S2 Imperiled
- Florida
- S3 Vulnerable
- Kansas
- S3 Vulnerable
- Kentucky
- S5 Secure
- Massachusetts
- S1 Critically Imperiled
- North Carolina
- S3 Vulnerable
- Louisiana
- S3 Vulnerable
- Arkansas
- S4 Apparently Secure
- Indiana
- S2 Imperiled
- South Carolina
- S4 Apparently Secure
- Nebraska
- S1 Critically Imperiled
- New York
- S3 Vulnerable
- Texas
- S4 Apparently Secure
- Virginia
- S4 Apparently Secure
- Mississippi
- S5 Secure
- Ontario
- SX Presumed Extirpated
State and federal status
Not listed under the U.S. Endangered Species Act
References
- Lewis, J.J. 2005. A biological inventory of caves of the Cumberland Plateau. Tennessee Chapter Cave Program, The Nature Conservancy, Nashville, Tennessee, USA. 156 pp.
- Niemiller, M.L. & Miller, B.T. 2009. A survey of the cave-associated herpetofauna of the eastern United States with an emphasis on salamanders. Proceedings of the 15th International Congress of Speleology, Kerrville, Texas, USA, Volume 1: 249–256.
How to cite this account
Crotalus horridus Linnaeus, 1758. Cave Biology Data Portal, account SP-2327. https://cavebiology.org/species/crotalus-horridus/ (accessed 7 September 2026).
Data sources and funding are listed in the Acknowledgments.
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