Sistrurus catenatus

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Noun1.Sistrurus catenatus - pygmy rattlesnake found in moist areas from the Great Lakes to MexicoSistrurus catenatus - pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians
rattler, rattlesnake - pit viper with horny segments at the end of the tail that rattle when shaken
genus Sistrurus, Sistrurus - pygmy rattlesnakes