Crotalus atrox

(redirected from Crotalus atrox sonoriensis)
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Noun1.Crotalus atrox - largest and most dangerous North American snake; of southwestern United States and Mexico
rattler, rattlesnake - pit viper with horny segments at the end of the tail that rattle when shaken
Crotalus, genus Crotalus - large rattlesnakes; seldom bite unless startled or pursuing prey