11 Most Venomous Rattlesnake Species in the World

11. Red diamond rattlesnake, red rattlesnake (Crotalus ruber)

LD50: 3.7

This species is native to Mexico and the southwestern United States, commonly spread throughout California. It dwells in various habitats, from rocky ocean coasts, desert scrub, to pine woodlands. Body length usually does not exceed 55 inches, and males are slightly larger than females. Coloration is brown reddish, hence the name, with diamond shaped pattern bordered with lighter colors.

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