Photo 207321009, (c) Bill Keim, some rights reserved (CC BY), uploaded by Bill Keim

Attribution © Bill Keim some rights reserved Uploaded by keimwj Source iNaturalist Associated observations Photos / Sounds 2 photos What Ring-billed Gull (Larus delawarensis) Observer keimwj Date November 22, 2010 09:27 AM EST Place Pennsylvania, United States (Google, OSM) Date Added November 22, 2014 07:30 AM EST Description 22 Nov 2010. Morrisville Levee, Bucks Co, PA. 4 IDs Research Grade View Sizes small medium large original