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

NPSpecies - Park Species Profile


Crotalus viridis
Prairie Rattlesnake, Western Rattlesnake
City Of Rocks National Reserve
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Rare

Scientific Name with Authority:		Crotalus viridis (Rafinesque, 1818)
Park Preferred Common Name(s):
Park Synonyms:

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


Seasonality Tags:
Breeder


Threatened/Endangered Status:
State Species of Concern Status:		ID: Protected Nongame
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		ID: S4
Evidence:		0 Observations, 0 Vouchers, 1 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Agate Fossil Beds National Monument	Aztec Ruins National Monument
Badlands National Park	Bandelier National Monument
Bent's Old Fort National Historic Site	Bighorn Canyon National Recreation Area
Bryce Canyon National Park	Canyon De Chelly National Monument
Capulin Volcano National Monument	Chaco Culture National Historical Park
Craters of the Moon National Monument and Preserve	Devils Postpile National Monument
Devils Tower National Monument	Dinosaur National Monument
El Malpais National Monument	El Morro National Monument
Fort Laramie National Historic Site	Fort Union National Monument
Glen Canyon National Recreation Area	Golden Gate National Recreation Area
Golden Spike National Historical Park	Grand Canyon National Park
Great Sand Dunes National Park and Preserve	Guadalupe Mountains National Park
Hovenweep National Monument	Hubbell Trading Post National Historic Site
John Day Fossil Beds National Monument	Lake Roosevelt National Recreation Area
Lassen Volcanic National Park	Mesa Verde National Park
Missouri National Recreational River	Mount Rushmore National Memorial
Natural Bridges National Monument	Navajo National Monument
Nez Perce National Historical Park	Niobrara National Scenic River
North Cascades National Park	Pecos National Historical Park
Petrified Forest National Park	Petroglyph National Monument
Presidio of San Francisco	Rainbow Bridge National Monument
Saguaro National Park	Salinas Pueblo Missions National Monument
Scotts Bluff National Monument	Sunset Crater Volcano National Monument
Theodore Roosevelt National Park	Walnut Canyon National Monument
Washita Battlefield National Historic Site	Whiskeytown National Recreation Area
White Sands National Park	Wind Cave National Park
Wupatki National Monument	Yucca House National Monument


Last Modified Date:	3/29/2005

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 9/30/2025 11:18:21 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	9/30/2025 11:18:21 AM

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