Northern Pacific Rattlesnake

Crotalus oreganus oreganus

Summary 2

Crotalus oreganus is a venomous pit viper species found in North America in the western United States, parts of British Columbia, and northwestern Mexico. Seven subspecies are currently recognized, including the nominate subspecies described here.

Sources and Credits

  1. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA), http://www.flickr.com/photos/18024068@N00/141666255
  2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Crotalus_oreganus_oreganus

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