Photo 70111111, (c) Valtierra, some rights reserved (CC BY-NC-ND), uploaded by Valtierra

Attribution © Valtierra some rights reserved Uploaded by biohexx1 Source iNaturalist Associated observations Photos / Sounds 7 photos What Southern Pacific Rattlesnake (Crotalus oreganus ssp. helleri) Observer biohexx1 Date April 24, 2020 04:36 PM PDT Place San Diego National Wildlife Refuge; California (Google, OSM) Date Added April 28, 2020 09:29 PM PDT 5 IDs Research Grade View Sizes small medium large original