Photo 3601603, (c) Bob Williams, some rights reserved (CC BY-NC), uploaded by Bob Williams

Attribution © Bob Williams some rights reserved Uploaded by bgator Source iNaturalist Associated observations Photos / Sounds 2 photos What Colorado River Tree Lizard (Urosaurus ornatus ssp. symmetricus) Observer bgator Date April 20, 2016 03:20 PM PDT Place Thunder River, Grand Canyon, AZ (Google, OSM) Date Added May 6, 2016 03:09 PM PDT 3 IDs Research Grade View Sizes small medium large original