Animalia > Chordata > Squamata > Viperidae > Crotalus > Crotalus molossusCrotalus molossus (Black Tailed Rattlesnake)Crotalus molossus is a venomous pit viper species found in the southwestern United States and Mexico. Four subspecies are currently recognized, including the nominate subspecies described here. |
| Adult Weight [1] | 1.70 lbs (771 g) |  | | Diet [2] | Carnivore | | | Hibernates [2] | Yes | | Litter Size [1] | 5 | | Maximum Longevity [3] | 21 years | | Nocturnal [2] | Yes | | Venomous [4] | Yes | | | Habitat Substrate [2] | Arboreal |
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| Name |
Countries |
Ecozone |
Biome |
Species |
Report |
Climate |
Land
Use |
|
Arizona Mountains forests |
United States |
Nearctic |
Temperate Coniferous Forests |
 |
 |
 |
 |
|
Central and Southern mixed grasslands |
United States |
Nearctic |
Temperate Grasslands, Savannas, and Shrublands |
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Central Mexican matorral |
Mexico |
Nearctic |
Deserts and Xeric Shrublands |
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|
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Chihuahuan desert |
Mexico, United States |
Nearctic |
Deserts and Xeric Shrublands |
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Colorado Plateau shrublands |
United States |
Nearctic |
Deserts and Xeric Shrublands |
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Edwards Plateau savanna |
United States |
Nearctic |
Temperate Grasslands, Savannas, and Shrublands |
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|
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Meseta Central matorral |
Mexico |
Nearctic |
Deserts and Xeric Shrublands |
|
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Petén-Veracruz moist forests |
Mexico, Guatemala, Belize |
Neotropic |
Tropical and Subtropical Moist Broadleaf Forests |
|
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Sierra Madre de Oaxaca pine-oak forests |
Mexico |
Neotropic |
Tropical and Subtropical Coniferous Forests |
|
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|
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Sierra Madre Occidental pine-oak forests |
Mexico, United States |
Nearctic |
Tropical and Subtropical Coniferous Forests |
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Sierra Madre Oriental pine-oak forests |
Mexico, United States |
Nearctic |
Tropical and Subtropical Coniferous Forests |
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Sinaloan dry forests |
Mexico |
Neotropic |
Tropical and Subtropical Dry Broadleaf Forests |
|
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|
Sonoran desert |
Mexico, United States |
Nearctic |
Deserts and Xeric Shrublands |
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Tamaulipan matorral |
Mexico |
Nearctic |
Deserts and Xeric Shrublands |
|
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Tamaulipan mezquital |
Mexico, United States |
Nearctic |
Deserts and Xeric Shrublands |
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Tehuacán Valley matorral |
Mexico |
Neotropic |
Deserts and Xeric Shrublands |
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|
Trans-Mexican Volcanic Belt pine-oak forests |
Mexico |
Neotropic |
Tropical and Subtropical Coniferous Forests |
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|
Veracruz dry forests |
Mexico |
Neotropic |
Tropical and Subtropical Dry Broadleaf Forests |
|
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|
Veracruz moist forests |
Mexico |
Neotropic |
Tropical and Subtropical Moist Broadleaf Forests |
|
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|
|
|
Veracruz montane forests |
Mexico |
Neotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Western short grasslands |
United States |
Nearctic |
Temperate Grasslands, Savannas, and Shrublands |
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| Name |
IUCN Category |
Area acres |
Location |
Species |
Website |
Climate |
Land Use |
|
Bandelier National Monument |
V |
8107 |
New Mexico, United States |
|
 |
|
|
|
Big Bend Biosphere Reserve National Park |
II |
815561 |
Texas, United States |
|
|
|
|
|
Chiricahua National Monument |
V |
1421 |
Arizona, United States |
|
|
|
|
|
Coronado National Monument National Memorial |
III |
4360 |
Arizona, United States |
|
|
|
|
|
Fort Bowie National Historic Site |
III |
1004 |
Arizona, United States |
|
|
|
|
|
Fort Davis National Historic Site |
|
|
Texas, United States |
|
|
|
|
|
Grand Canyon National Park |
II |
1210128 |
Arizona, United States |
|
|
|
|
|
Guadalupe Mountains National Park |
II |
46114 |
Texas, United States |
|
|
|
|
|
Jornada Biosphere Reserve |
Ib |
30913 |
New Mexico, United States |
|
|
|
|
|
Montezuma Castle National Monument |
V |
872 |
Arizona, United States |
|
|
|
|
|
Reserva de la Biosfera El Cielo Biosphere Reserve |
|
353161 |
Mexico |
|
|
|
|
|
Reserva de la Biosfera Sierra Gorda Biosphere Reserve |
VI |
955579 |
Queretaro, Mexico |
|
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|
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Reserva de la Michilia Biosphere Reserve |
VI |
23405 |
Durango, Mexico |
|
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|
|
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Reserva de Mapimi Biosphere Reserve |
VI |
849819 |
Chihuahua, Mexico |
|
|
|
|
|
Saguaro National Park |
II |
11686 |
Arizona, United States |
|
|
|
|
|
Sevilleta LTER Site Long Term Ecological Research |
IV |
228335 |
New Mexico, United States |
|
|
|
|
|
Sunset Crater Volcano National Monument |
V |
3049 |
Arizona, United States |
|
|
|
|
|
Tonto National Monument |
V |
1123 |
Arizona, United States |
|
|
|
|
|
Wupatki National Monument |
III |
36098 |
Arizona, United States |
|
|
|
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Attributes / relations provided by ♦ 1Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109 ♦ 2Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org♦ 3de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774 ♦ 4Venomous snakes and antivenoms search interface, World Health Organization ♦ 5Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database |
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0
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