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Subterranean biodiversity of North America and around the globe

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Cave Biology Data Portal
Subterranean biodiversity of North America and around the globe
AnimaliaChordataReptiliaSquamataViperidaeAgkistrodon

Copperhead
Agkistrodon contortrix (Linnaeus, 1766)

Taxonomy

Kingdom Animalia
Phylum Chordata
Class Reptilia
Order Squamata
Family Viperidae
Genus Agkistrodon
Species Agkistrodon contortrix (Linnaeus, 1766)

Description

Diagnostic characters

Ecological class
Accidental

Distribution

Range

Known from four counties across three states.

Continent

North America

Country

United States

States and provinces

Arkansas, Kentucky, Tennessee

Counties

Arkansas
Baxter, Stone
Kentucky
Edmonson
Tennessee
Hamilton

Conservation and management

IUCN Red List

LC Least Concern

EXEWCRENVUNTLC▲

Assessed in 2007.

NatureServe

G5 Secure

G1G2G3G4G5▲

National ranks

United States
N5 Secure

Subnational ranks

Virginia
S5 Secure
New York
S3 Vulnerable
South Carolina
S5 Secure
NE
S2 Imperiled
Tennessee
S5 Secure
NJ
S3 Vulnerable
Indiana
S4 Apparently Secure
Connecticut
S3 Vulnerable
Mississippi
S5 Secure
North Carolina
S5 Secure
Maryland
S5 Secure
DE
S1 Critically Imperiled
Illinois
S4 Apparently Secure
West Virginia
S3 Vulnerable
Florida
S2 Imperiled
Missouri
S5 Secure
Ohio
SNR Unranked
Louisiana
S5 Secure
Iowa
S1 Critically Imperiled
Kansas
S5 Secure
Arkansas
SNR Unranked
Georgia
S5 Secure
Kentucky
S5 Secure
Pennsylvania
S3 Vulnerable
Texas
S5 Secure
Massachusetts
S1 Critically Imperiled
Oklahoma
SNR Unranked
District of Columbia
S1 Critically Imperiled
Alabama
S5 Secure

State and federal status

Not listed under the U.S. Endangered Species Act

References

  • Dunivan, J.D., Tumlison, C.R. & McDaniel, V.R. 1982. Cave fauna of Arkansas: further records. Journal of the Arkansas Academy of Science 36: 87–88. https://scholarworks.uark.edu/jaas/vol36/iss1/28.
  • Heath, D.R., Saugey, D.A. & Heidt, G.A. 1986. Abandoned mine fauna of the Ouachita Mountains, Arkansas: vertebrate taxa. Journal of the Arkansas Academy of Science 40: 33–36.
  • Matthews, L.E. 2007. Caves of Chattanooga. National Speleological Society, Huntsville, Alabama, USA. 192 pp. ISBN 978–1-879961–27–2.
  • McDaniel, V.R. & Gardner, J.E. 1977. Cave fauna of Arkansas: vertebrate taxa. Journal of the Arkansas Academy of Science 31: 68–71. https://scholarworks.uark.edu/jaas/vol31/iss1/22.

How to cite this account

Agkistrodon contortrix (Linnaeus, 1766). Cave Biology Data Portal, account SP-2151. https://cavebiology.org/species/agkistrodon-contortrix/ (accessed 7 September 2026).

Data sources and funding are listed in the Acknowledgments.

Spotted something wrong on this page? Report a correction. Accounts are compiled from many sources and corrections from people who know the group are the most useful email we get.

Cave Biology Data Portal

Species accounts, distributions, and conservation status for the subterranean fauna of North America and around the globe, with resources for the cave and karst research community.

Text and data CC BY 4.0. Images all rights reserved unless stated.

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