Photo 12279141, (c) Will Richardson, some rights reserved (CC BY-NC), uploaded by Will Richardson

Attribution © Will Richardson some rights reserved Uploaded by twillrichardson Source iNaturalist Associated observations Photos / Sounds What Northern Pacific Rattlesnake (Crotalus oreganus ssp. oreganus) Observer twillrichardson Date May 10, 2008 01:35 PM PDT Place El Dorado County, CA, USA (Google, OSM) Date Added December 8, 2017 01:10 PM PST 4 comments 6 IDs Research Grade View Sizes small medium large original