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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
AnimaliaChordataReptiliaSquamataColubridaePantherophis

Pilot Black Snake
Pantherophis obsoletus (Say, 1823)

Taxonomy

Kingdom Animalia
Phylum Chordata
Class Reptilia
Order Squamata
Family Colubridae
Genus Pantherophis
Species Pantherophis obsoletus (Say, 1823)

Description

Diagnostic characters

Ecological class
Trogloxene
Realm
Terrestrial

Distribution

Range

Known from two counties across two states.

Continent

North America

Country

United States

States and provinces

Arkansas, Kentucky

Counties

Arkansas
Stone
Kentucky
Edmonson

Conservation and management

IUCN Red List

LC Least Concern

EXEWCRENVUNTLC▲

Assessed in 2019.

NatureServe

G5 Secure

G1G2G3G4G5▲

National ranks

United States
N5 Secure

Subnational ranks

Minnesota
S2 Imperiled
Kansas
S5 Secure
Texas
S5 Secure
Illinois
SNR Unranked
Arkansas
S4 Apparently Secure
Louisiana
S5 Secure
Oklahoma
SNR Unranked
Missouri
S5 Secure
NE
S4 Apparently Secure
Indiana
S4 Apparently Secure
Iowa
S4 Apparently Secure

State and federal status

Not listed under the U.S. Endangered Species Act

References

  • 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.
  • 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

Pantherophis obsoletus (Say, 1823). Cave Biology Data Portal, account SP-2765. https://cavebiology.org/species/pantherophis-obsoletus/ (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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