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Park			Taxon Code
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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Elaphe obsoleta
Texas Ratsnake
Buffalo National River
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Common

Scientific Name with Authority:		Elaphe obsoleta (Say in James, 1823)
Park Preferred Common Name(s):
Park Synonyms:		Elaphe obsoleta obsoleta

Taxonomic Hierarchy:		Kingdom Animalia, Phylum Chordata, Subphylum Vertebrata, Order Squamata, Suborder Serpentes, Family Colubridae, Genus Pantherophis, Species Elaphe obsoleta


Seasonality Tags:
Breeder


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:
NatureServe State Rank:
Evidence:		0 Observations, 15 Vouchers, 4 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Big Thicket National Preserve	Canaveral National Seashore
Cape Hatteras National Seashore	Cape Lookout National Seashore
Catoctin Mountain Park	Charles Pinckney National Historic Site
Chattahoochee River National Recreation Area	Chesapeake and Ohio Canal National Historical Park
Congaree National Park	Cumberland Island National Seashore
Fort Frederica National Monument	Fort Matanzas National Monument
Fort Pulaski National Monument	Fort Sumter National Historical Park
George Washington Memorial Parkway	Great Falls Park
Hopewell Culture National Historical Park	Horseshoe Bend National Military Park
Hot Springs National Park	Jean Lafitte National Historical Park and Preserve
Kennesaw Mountain National Battlefield Park	Moores Creek National Battlefield
National Mall and Memorial Parks	Ocmulgee Mounds National Historical Park
Ozark National Scenic Riverways	Pea Ridge National Military Park
Piscataway Park	Rock Creek Park
Tallgrass Prairie National Preserve	Timucuan Ecological and Historic Preserve
Washita Battlefield National Historic Site	Wilson's Creek National Battlefield


Last Modified Date:	6/17/2004

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 11/4/2025 5:43:17 AM

NatureServe Global Rank and State Rank

NatureServe. 2017. NatureServe Web Service. Arlington, VA. U.S.A. Available http://services.natureserve.org. Accessed: 12/4/2017. Updated quarterly.

This information is provided by NatureServe (www.natureserve.org) and its network of natural heritage member programs, a leading source of information about rare and endangered species, and threatened ecosystems.


Species Profile	Page 1 of 1	11/4/2025 5:43:17 AM

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