East Coast Hots
The Venomous Snakes of
the Eastern United States
Rattlesnakes
- Eastern Diamondback (Crotalus adamenteus)
- Western Diamondback (Crotalus atrox)
- Timber Rattlesnakes (Crotalus horridus)
- Sidewinder Rattlesnakes (Crotalus cerastes)
- Baja Rattlesnakes (Crotalus enyo)
- Rock Rattlesnakes (Crotalus lepidus)
- Speckled Rattlesnakes (Crotalus mitchelli)
- Black-Tailed Rattlesnakes (Crotalus molossus)
- Western Rattlesnakes (Crotalus oreganus)
- Twin-Spotted Rattlesnakes (Crotalus pricei)
- Red Diamond Rattlesnakes(Crotalus ruber)
- Tiger Rattlesnake (Crotalus tigris)
- Prairie Rattlesnakes (Crotalus viridus)
- Ridge-Nosed Rattlesnakes (Crotalus willardi)
Pygmy Rattlers
- Massasauga (Sistrurus catenatus)
- Pygmy Rattlesnakes (Sistrurus miliarius)
Coral Snakes
- Eastern Coral Snake (Micrurus fulvius)
- Texas Coral Snake (Micrurus tener)
- Arizona Coral Snake (Micruroides euryxanthus)
Other Venomous Snakes
- Copperheads (Agkistrodon contortrix)
- Cottonmouths (Agkistrodon piscivorus)
- Yellow-Belly Sea Snake (Pelamis platurus)
Venomous Lizards
- Gila Monster (Heloderma suspectum)
- Beaded Lizards (Heloderma horridum)
Sponsors
Twin Spotted Rattlesnake - Crotalus pricei
Adults usually do not exceed 50-60 cm in length. The maximum length recorded was 66 cm
The color pattern consists of a gray, bluish gray, brownish gray, or medium to reddish brown ground color, usually with a fine brown speckling. This is overlaid with a series of dorsal blotches that then to be divided down the median line to form 39-64 pairs.
Range & Habitat
Southeastern Arizona south to southern Durango Mexico. It lives in arid rocky area high in the mountains in open yellow pine and oak woodlands into evergreen forests. Elevation is 6300 to 10,000 feet.
Breeding
Late July to August with females giving birth to 3 - 8 young which are 6 1/4 to 8 1/4 inches long.
Additional Notes
The buzz of its rattle, like that of other rattlesnakes, sounds like a cicada and can be heard only within a few yards. It is often encountered in canyons sunning itself on rock slides or exposed slopes. In Arizona it shares its habitat with the Rock Rattlesnake. Its diet consists of lizards and small rodents.
Subspecies
| Subspecies | Common name | Geographic range |
|---|---|---|
C. p. miquihuanus |
Eastern twin-spotted rattlesnake |
Mexico: southeastern Coahuila, Nuevo León and Tamaulipas. |
C. p. pricei |
Western twin-spotted rattlesnake |
United States: southeastern Arizona. Mexico: Sonora, Chihuahua and Durango. |