Missouri rattlesnake

Missouri rattlesnake may refer to:

• Crotalus oreganus, a.k.a. the western rattlesnake, a venomous pitviper species found in North America in the western United States, parts of British Columbia and northwestern Mexico.
• Crotalus viridis, a.k.a. the prairie rattlesnake, a venomous pitviper species native to the western United States, southwestern Canada, and northern Mexico.

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