Photo 11028082, (c) Bob Hislop, some rights reserved (CC BY-NC), uploaded by Bob Hislop

Attribution © Bob Hislop some rights reserved Uploaded by rhislop Source NaturaLista Colombia Associated observations Photos / Sounds What Western Gull (Larus occidentalis) Observer rhislop Date September 23, 2016 10:07 AM MST Place Martinez Shoreline, CA 94553, USA (Google, OSM) Date Added October 7, 2017 09:25 PM PDT Description (Bird in the foreground.) 4 IDs Research Grade View Sizes small medium large original