Photo 420098, (c) John Sullivan, some rights reserved (CC BY-NC), uploaded by John Sullivan

Attribution © John Sullivan some rights reserved Uploaded by sullivanribbit Source iNaturalist Associated observations Photos / Sounds What Arizona Black Rattlesnake (Crotalus cerberus) Observer sullivanribbit Date August 7, 2009 Place Graham County, Arizona (Google, OSM) Date Added July 18, 2013 12:07 PM PDT 6 IDs Research Grade View Sizes small medium large original