Photo 6327466, (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 Thayer's Gull (Larus glaucoides ssp. thayeri) Observer mikepatterson Date February 19, 2017 11:21 AM PST Place Astoria Waterfront (Google, OSM) Date Added February 19, 2017 06:50 PM PST 3 IDs Research Grade View Sizes small medium large original