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

Eastern Screech Owl
Megascops asio (Linnaeus, 1758)

Taxonomy

Kingdom Animalia
Phylum Chordata
Class Aves
Order Strigiformes
Family Strigidae
Genus Megascops
Species Megascops asio (Linnaeus, 1758)

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

Alabama, Oklahoma

Counties

Alabama
Jackson
Oklahoma
Delaware

Conservation and management

IUCN Red List

LC Least Concern

EXEWCRENVUNTLC▲

Assessed in 2019.

NatureServe

G5 Secure

G1G2G3G4G5▲

National ranks

Canada
N4 Apparently Secure
United States
N5 Secure

Subnational ranks

Ontario
S4 Apparently Secure
Quebec
S3 Vulnerable
Manitoba
S3 Vulnerable
Saskatchewan
S2 Imperiled
Connecticut
S5 Secure
Ohio
S5 Secure
Massachusetts
S5 Secure
Minnesota
SNR Unranked
Virginia
S5 Secure
Arkansas
S4 Apparently Secure
Georgia
S5 Secure
Illinois
S5 Secure
Delaware
S5 Secure
Maine
S1B Critically Imperiled (breeding)
Rhode Island
S3B Vulnerable (breeding), S3N Vulnerable (non-breeding)
New Jersey
S4 Apparently Secure
New Hampshire
S4 Apparently Secure
Louisiana
S5 Secure
Iowa
S4B Apparently Secure (breeding), S4N Apparently Secure (non-breeding)
South Dakota
S5 Secure
Texas
S5B Secure (breeding)
Montana
S3 Vulnerable
South Carolina
S4 Apparently Secure
Oklahoma
SNR Unranked
Pennsylvania
S4B Apparently Secure (breeding)
West Virginia
S5B Secure (breeding), S5N Secure (non-breeding)
Michigan
S5 Secure
Missouri
SNR Unranked
Maryland
S5 Secure
Tennessee
S5 Secure
New York
S5 Secure
Wyoming
S3 Vulnerable
District of Columbia
S1 Critically Imperiled
Mississippi
S5 Secure
Indiana
S4 Apparently Secure
Colorado
S4B Apparently Secure (breeding)
Nebraska
S4 Apparently Secure
Vermont
S3 Vulnerable
Kansas
S5 Secure
Kentucky
S5B Secure (breeding), S5N Secure (non-breeding)
North Carolina
S4 Apparently Secure
North Dakota
SNR Unranked
Alabama
S5 Secure
Florida
S5 Secure
Wisconsin
S5B Secure (breeding)

State and federal status

Not listed under the U.S. Endangered Species Act

References

  • Fenolio, D.B., Slay, M.E. & Niemiller, M.L. 2023. 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.
  • 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.
  • McGregor, S.W., Rheams, K.F., O'Neil, P.E., Moser, P.H. & Blackwood, R. 1994. Biological, geological, and hydrological investigations in Bobcat, Matthews, and Shelta caves and other selected caves in north Alabama. Geological Survey of Alabama, Tuscaloosa, Alabama, USA. 226 pp.
  • McGregor, S.W., O'Neil, P.E., Rheams, K.F., Moser, P.H. & Blackwood, R. 1997. Biological, geological, and hydrological investigations in Bobcat, Matthews, and Shelta caves and other selected caves in north Alabama. Geological Survey of Alabama Bulletin 166: 1–198.

How to cite this account

Megascops asio (Linnaeus, 1758). Cave Biology Data Portal, account SP-2623. https://cavebiology.org/species/megascops-asio/ (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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