Photo 16708895, (c) Sam Joyce, some rights reserved (CC BY), uploaded by Sam Joyce

Attribution © Sam Joyce some rights reserved Uploaded by sjoyce Source iNaturalist Associated observations Photos / Sounds 4 photos What Ring-billed Gull (Larus delawarensis) Observer sjoyce Date April 28, 2018 07:18 PM CDT Place 5744 S Dorchester Ave, Chicago, IL, US (Google, OSM) Date Added April 28, 2018 07:19 PM CDT 3 IDs Research Grade View Sizes small medium large original