Photo 23662360, (c) Neil O. Frakes, some rights reserved (CC BY-NC), uploaded by Neil O. Frakes

Attribution © Neil O. Frakes some rights reserved Uploaded by nofrakes Source iNaturalist Associated observations Photos / Sounds What Western Diamond-backed Rattlesnake (Crotalus atrox) Observer nofrakes Date August 23, 2018 04:31 PM MDT Place Saguaro National Park East - Rincon Mountain District, Tucson, AZ, US (Google, OSM) Date Added August 23, 2018 04:32 PM PDT 3 IDs Research Grade View Sizes small medium large original