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iNat·48268SpeciesReptilia39,375 field observations
  1. Animals
  2. ›Chordates
  3. ›Vertebrates
  4. ›Reptiles
  5. ›Snakes and Lizards
  6. ›Snakes
  7. ›Vipers
  8. ›Pit Vipers
  9. ›Crotalus
Western Rattlesnake
Plate 1 of 3. (c) Yinan Li, some rights reserved (CC BY-NC), uploaded by Yinan Li · via iNaturalist

Western Rattlesnake

Crotalus oreganus

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.

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Crotalus oreganus in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 48268.