Photo 36342660, (c) Dan Rademacher, some rights reserved (CC BY), uploaded by Dan Rademacher

Attribution © Dan Rademacher some rights reserved Uploaded by rademacherdan Source iNaturalist Associated observations Photos / Sounds 2 photos What Ring-billed Gull (Larus delawarensis) Observer rademacherdan Date April 27, 2019 12:43 PM PDT Place Lakeside Park, Oakland, CA, US (Google, OSM) Date Added April 27, 2019 01:54 PM PDT Description Bill visible in photo to be uploaded later 2 IDs Research Grade View Sizes small medium large original