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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Agkistrodon contortrix mokasen
northern copperhead
Valley Forge National Historical Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Common

Scientific Name with Authority:		Agkistrodon contortrix mokasen Palisot de Beauvois, 1799
Park Preferred Common Name(s):		northern copperhead
Park Synonyms:		Agkistrodon contortrix

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


Seasonality Tags:
Breeder


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:
NatureServe State Rank:
Evidence:		1 Observations, 0 Vouchers, 3 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Antietam National Battlefield	Big South Fork National River and Recreation Area
Blue Ridge Parkway	Bluestone National Scenic River
Catoctin Mountain Park	Chesapeake and Ohio Canal National Historical Park
Colonial National Historical Park	Delaware Water Gap National Recreation Area
Fort Necessity National Battlefield	Fredericksburg and Spotsylvania County Battlefields Memorial National Military Park
Friendship Hill National Historic Site	Gauley River National Recreation Area
George Washington Memorial Parkway	Gettysburg National Military Park
Great Falls Park	Great Smoky Mountains National Park
Harpers Ferry National Historical Park	Hopewell Furnace National Historic Site
Horseshoe Bend National Military Park	Manassas National Battlefield Park
National Capital Parks-East	National Mall and Memorial Parks
New River Gorge National Park and Preserve	Obed Wild and Scenic River
Oxon Cove Park and Oxon Hill Run	Petersburg National Battlefield
Prince William Forest Park	Richmond National Battlefield Park
Suitland Parkway	Upper Delaware Scenic and Recreational River
Wolf Trap National Park for the Performing Arts


Last Modified Date:	9/11/2006

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/8/2025 6:08:47 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	10/8/2025 6:08:47 AM

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