Natural History
The prairie rattlesnake or Great Plains rattlesnake (Crotalus viridis) is a venomous pit viper species native to the western United States, southwestern Canada, and northern Mexico. Currently, two subspecies are recognized, including the prairie rattlesnake (C. v. viridis), the nominate subspecies, and the Hopi rattlesnake (C. v. nuntius).
List of European species extinct in the Holocene.
Environmental issues in Puget Sound.
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