Photo 3809234, (c) K Schneider, some rights reserved (CC BY-NC), uploaded by K Schneider

Attribution © K Schneider some rights reserved Uploaded by kschnei Source iNaturalist Associated observations Photos / Sounds 3 photos What Northern Pacific Rattlesnake (Crotalus oreganus ssp. oreganus) Observer kschnei Date May 24, 2016 Place Colusa-Sacramento River State Park, Colusa, CA (Google, OSM) Date Added May 24, 2016 07:43 PM PDT Description We found this 18-24 inch rattler crossing the trail in front of us. 8 IDs Research Grade View Sizes small medium large original