Rattlesnakes
Crotalus
Crotalus
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| Total Observations | 18,898 |
| Total Observers | 2,207 |
| Current Year | 1,383 |
| Total Countries | 19 |
| Mobile App Entries | 4,014 |
| Browser Entries | 2,482 |
| Imported Records | 9,203 |
| Deceased | 2,014 |
Most Recent Records
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Some records may be hidden from the public
Most Observed By
Some records may be hidden from the public
Some records may be hidden from the public
Child Taxa
| Taxon | Name | Rank | Author | Year |
|---|---|---|---|---|
| Crotalus adamanteus | Eastern Diamondback Rattlesnake | species | Palisot De Beauvois | 1799 |
| Crotalus angelensis | Isla Angel de la Guarda Rattlesnake | species | Klauber | 1963 |
| Crotalus aquilus | Queretaran Dusky Rattlesnake | species | Klauber | 1952 |
| Crotalus armstrongi | Mexican Dusky Rattlesnake | species | CAMPBELL | 1979 |
| Crotalus atrox | Western Diamondback Rattlesnake | species | Baird & Girard | 1853 |
| Crotalus basiliscus | Mexican West-Coast Rattlesnake | species | Cope | 1864 |
| Crotalus brunneus | Oaxacan Pygmy Rattlesnake | species | HARRIS & SIMMONS | 1978 |
| Crotalus campbelli | Campbell's Dusky Rattlesnake | species | BRYSON JR, LINKEM, DORCAS, LATHROP, JONES, ALVARADO-DÍAZ, GRÜNWALD & MURPHY | 2014 |
| Crotalus catalinensis | Santa Catalina Island Rattlesnake | species | Cliff | 1954 |
| Crotalus cerastes | Sidewinder | species | Hallowell | 1854 |
| Crotalus cerberus | Arizona Black Rattlesnake | species | Coues | 1875 |
| Crotalus concolor | Midget Faded Rattlesnake | species | WOODBURY | 1929 |
| Crotalus culminatus | Northwestern Neotropical Rattlesnake | species | KLAUBER | 1952 |
| Crotalus durissus | Neotropical Rattlesnake | species | Linnaeus | 1758 |
| Crotalus ehecatl | Tehuantepec Isthmus Neotropical Rattlesnake | species | CARBAJAL-MÁRQUEZ, CEDEÑO-VÁZQUEZ, MARTÍNEZ-ARCE, NERI-CASTRO & MACHKOUR-M’RABET | 2020 |
| Crotalus enyo | Baja California Rattlesnake | species | Cope | 1861 |
| Crotalus ericsmithi | Guerreran Long-tailed Rattlesnake | species | CAMPBELL & FLORES-VILLELA | 2008 |
| Crotalus estebanensis | Esteban Island Rattlesnake | species | Klauber | 1949 |
| Crotalus exiguus | Guerreran Pygmy Rattlesnake | species | CAMPBELL & ARMSTRONG | 1979 |
| Crotalus helleri | Southern Pacific Rattlesnake | species | MEEK | 1905 |
| Crotalus horridus | Timber Rattlesnake | species | Linnaeus | 1758 |
| Crotalus intermedius | Mexican Smallhead Rattlesnake | species | Troschel | 1865 |
| Crotalus lannomi | Autlán Rattlesnake | species | Tanner | 1966 |
| Crotalus lepidus | Rock Rattlesnake | species | Kennicott | 1861 |
| Crotalus lorenzoensis | Isla San Lorenzo Rattlesnake | species | RADCLIFF & MASLIN | 1975 |
| Crotalus lutosus | Great Basin Rattlesnake | species | KLAUBER | 1930 |
| Crotalus mictlantecuhtli | Veracruz Neotropical Rattlesnake | species | CARBAJAL-MÁRQUEZ, CEDEÑO-VÁZQUEZ, MARTÍNEZ-ARCE, NERI-CASTRO & MACHKOUR-M’RABET | 2020 |
| Crotalus mitchellii | San Lucan Speckled Rattlesnake | species | Cope | 1861 |
| Crotalus molossus | Western black-tailed Rattlesnake | species | Baird & Girard | 1853 |
| Crotalus morulus | Tamaulipan Rock Rattlesnake | species | KLAUBER | 1952 |
| Crotalus oreganus | Western Rattlesnake | species | Holbrook | 1840 |
| Crotalus ornatus | Eastern Blacktailed Rattlesnake | species | Hallowell | 1852 |
| Crotalus polisi | Isla Cabeza de Caballo Speckled Rattlesnake | species | MEIK, SCHAACK, FLORES-VILLELA & STREICHER | 2018 |
| Crotalus polystictus | Mexican Lancehead Rattlesnake | species | Cope | 1865 |
| Crotalus pricei | Twin-spotted Rattlesnake | species | Van Denburgh | 1895 |
| Crotalus pusillus | Tancitaran Dusky Rattlesnake | species | Klauber | 1952 |
| Crotalus pyrrhus | Speckled Rattlesnake | species | Cope | 1867 |
| Crotalus ravus | Mexican Pygmy Rattlesnake | species | COPE | 1865 |
| Crotalus ruber | Red Diamond Rattlesnake | species | Cope | 1892 |
| Crotalus scutulatus | Mohave rattlesnake | species | Kennicott | 1861 |
| Crotalus simus | Middle American Rattlesnake | species | LATREILLE | 1801 |
| Crotalus stejnegeri | Long-tailed Rattlesnake | species | Dunn | 1919 |
| Crotalus stephensi | Panamint Rattlesnake | species | Klauber | 1930 |
| Crotalus tancitarensis | Michoacán Dusky Rattlesnake | species | ALVARADO-DÍAZ & CAMPBELL | 2004 |
| Crotalus thalassoporus | Isla Piojo Speckled Rattlesnake | species | MEIK, SCHAACK, FLORES-VILLELA & STREICHER | 2018 |
| Crotalus tigris | Tiger Rattlesnake | species | Kennicott | 1859 |
| Crotalus tlaloci | Tláloc Dusky Rattlesnake | species | BRYSON, LINKEM, DORCAS, LATHROP, JONES, ALVARADO-DÍAZ, GRÜNWALD & MURPHY | 2014 |
| Crotalus tortugensis | Tortuga Island Rattlesnake | species | Van Denburgh & Slevin | 1921 |
| Crotalus totonacus | Totonacan Rattlesnake | species | GLOYD & KAUFFELD | 1940 |
| Crotalus transversus | Cross-banded Mountain Rattlesnake | species | Taylor | 1944 |
| Crotalus triseriatus | Western Dusky Rattlesnake | species | Wagler | 1830 |
| Crotalus tzabcan | Yucatan Neotropical Rattlesnake | species | KLAUBER | 1952 |
| Crotalus unicolor | Aruba Island Rattlesnake | species | Lidth de Jeude | 1887 |
| Crotalus vegrandis | Uracoan Rattlesnake | species | Klauber | 1941 |
| Crotalus viridis | Prairie Rattlesnake | species | Rafinesque | 1818 |
| Crotalus willardi | Ridge-nosed Rattlesnake | species | Meek | 1905 |