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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Crotalus molossus
black-tailed rattlesnake
Chiricahua National Monument
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Common

Scientific Name with Authority:		Crotalus molossus Baird and Girard, 1853
Park Preferred Common Name(s):		black-tailed rattlesnake
Park Synonyms:

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


Seasonality Tags:
Breeder


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		AZ: S5
Evidence:		29 Observations, 11 Vouchers, 4 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Amistad National Recreation Area	Big Bend National Park
Carlsbad Caverns National Park	Coronado National Memorial
El Malpais National Monument	Fort Bowie National Historic Site
Fort Davis National Historic Site	Gila Cliff Dwellings National Monument
Grand Canyon National Park	Guadalupe Mountains National Park
Montezuma Castle National Monument	Organ Pipe Cactus National Monument
Saguaro National Park	Tonto National Monument
Tuzigoot National Monument


Last Modified Date:	3/27/2007

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/24/2025 4:30:32 PM

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		10/24/2025 4:30:32 PM