Photo 4897546, (c) Mike Patterson, some rights reserved (CC BY-NC), uploaded by Mike Patterson

Attribution © Mike Patterson some rights reserved Uploaded by mikepatterson Source iNaturalist Associated observations Photos / Sounds What Caspian Tern (Hydroprogne caspia) Observer mikepatterson Date September 15, 2016 10:10 AM PDT Place North Jetty of the Columbia River (Google, OSM) Date Added September 15, 2016 03:37 PM PDT 3 IDs Research Grade View Sizes small medium large original