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| | | | | | | black-tailed rattlesnake | Tonto 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): | | Park Synonyms: | Crotalus molossus molossus | | | | Kingdom Animalia, Phylum Chordata, Subphylum Vertebrata, Order Squamata, Suborder Serpentes, Family Viperidae, Genus Crotalus, Species Crotalus molossus |
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| | | | | Threatened/Endangered Status: | | State Species of Concern Status: | | Ozone-sensitive Status: | | NatureServe Global Rank: | G5 | NatureServe State Rank: | AZ: S5 | Evidence: | 3 Observations, 4 Vouchers, 3 Data Store References, 0 External Links |
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| | | Other Parks Where Species is Listed: | | Amistad National Recreation Area | Big Bend National Park | Carlsbad Caverns National Park | Chiricahua National Monument | 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 | Tuzigoot National Monument | |
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| | | | | | Last Modified Date: | 3/23/2007 | |
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| | NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/25/2025 5:18:45 PM |
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| 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. |
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