4. Twin-spotted rattlesnake, Price’s rattlesnake, Arizona twin-spotted rattlesnake (Crotalus pricei)
LD50: 0.95
This rattlesnake ranks 4t hin our list of most venomous rattlesnake species in the world. It is found in Arizona and Mexico, where it inhabits highest altitudes of all other rattlesnakes up to 2,900 m above sea level. It inhabits coniferous forests and rocky areas. They are small species (around 20-24 inches in length), gray and bluish in color with small brownish stains.
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