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massasauga, massasauga rattler, Sistrurus catenatus | pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians ❲Sistrurus catenatus❳ | |
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massasauga, ground rattler, Sistrurus miliaris | small pygmy rattlesnake ❲Sistrurus miliaris❳ |