Photo 4373236, (c) oksnaillaboratory, all rights reserved, uploaded by oksnaillaboratory

Attribution © oksnaillaboratory all rights reserved Uploaded by oksnaillaboratory Source iNaturalist Associated observations Photos / Sounds What Heermann's Gull (Larus heermanni) Observer oksnaillaboratory Date July 27, 2016 03:57 PM PDT Place Embarcadero Waterfront, San Francisco, CA, US (Google, OSM) Date Added July 27, 2016 03:59 PM PDT 2 IDs Research Grade View Sizes small medium large original