sistrurus : Idioms & Phrases
genus sistrurus
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noun pygmy rattlesnakes
Sistrurus.
WordNet
sistrurus catenatus
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noun pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians
massasauga; massasauga rattler.
WordNet
sistrurus miliaris
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noun small pygmy rattlesnake
ground rattler; massasauga.