Photo 58910011, (c) Rupert Clayton, some rights reserved (CC BY), uploaded by Rupert Clayton

Attribution © Rupert Clayton some rights reserved Uploaded by rupertclayton Source iNaturalist Associated observations Photos / Sounds What Ring-billed Gull (Larus delawarensis) Observer rupertclayton Date January 1, 2020 01:31 PM PST Place Lakeside, Oakland, CA, USA (Google, OSM) Date Added January 1, 2020 10:45 PM PST 2 comments 2 IDs Research Grade View Sizes small medium large original