NPSpecies Report Viewer

Park			Taxon Code
Show Comments?

Find

National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Crotalus horridus
Timber rattlesnake
Appalachian National Scenic Trail
			Record Status: Approved
Occurrence:	Present
Nativeness:	Unknown
Abundance:	Unknown

Scientific Name with Authority:		Crotalus horridus Linnaeus, 1758
Park Preferred Common Name(s):		Timber rattlesnake
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Animalia, Phylum Chordata, Subphylum Vertebrata, Order Squamata, Suborder Serpentes, Family Viperidae, Genus Crotalus, Species Crotalus horridus


Park Tags:
ParkTag -


Threatened/Endangered Status:		RT
State Species of Concern Status:		CT: E; MA: E; NC: SC; NH: E; NY: T; PA: DL; VA: LE; VT: E
Ozone-sensitive Status:
NatureServe Global Rank:		G4
NatureServe State Rank:		CT: S1; GA: S4; MA: S1; MD: S3; ME: SX; NC: S3; NH: S1; NJ: S1; NY: S3; PA: S3S4; TN: S4; VA: S4; VT: S1; WV: S3
Evidence:		32 Observations, 0 Vouchers, 0 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Allegheny Portage Railroad National Historic Site	Arkansas Post National Memorial
Big South Fork National River and Recreation Area	Big Thicket National Preserve
Blue Ridge Parkway	Buffalo National River
Cape Hatteras National Seashore	Cape Lookout National Seashore
Carl Sandburg Home National Historic Site	Catoctin Mountain Park
Chattahoochee River National Recreation Area	Chickamauga and Chattanooga National Military Park
Chickasaw National Recreation Area	Congaree National Park
Cowpens National Battlefield	Cumberland Gap National Historical Park
Cumberland Island National Seashore	Delaware Water Gap National Recreation Area
Effigy Mounds National Monument	Fort Donelson National Battlefield
Gauley River National Recreation Area	Gettysburg National Military Park
Great Smoky Mountains National Park	Horseshoe Bend National Military Park
Hot Springs National Park	Jean Lafitte National Historical Park and Preserve
Jimmy Carter National Historical Park	Kings Mountain National Military Park
Mammoth Cave National Park	Mississippi National River and Recreation Areas
Natchez Trace Parkway	New River Gorge National Park and Preserve
Ninety Six National Historic Site	Obed Wild and Scenic River
Ocmulgee Mounds National Historical Park	Ozark National Scenic Riverways
Pea Ridge National Military Park	Prince William Forest Park
Russell Cave National Monument	Saint Croix National Scenic Riverway
Shenandoah National Park	Upper Delaware Scenic and Recreational River
Vicksburg National Military Park


Last Modified Date:	1/4/2005

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/11/2025 8:38:46 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	10/11/2025 8:38:46 AM

Report Viewer Configuration Error