Photo 2796434, (c) Mark Rosenstein, some rights reserved (CC BY-NC), uploaded by Mark Rosenstein

Attribution © Mark Rosenstein some rights reserved Uploaded by maractwin Source iNaturalist Associated observations Photos / Sounds What Ring-billed Gull (Larus delawarensis) Observer maractwin Date December 20, 2015 02:50 PM EST Place Middlesex, Massachusetts, United States (Google, OSM) Date Added December 20, 2015 06:11 PM EST Description Seen during the Boston Christmas Bird Count Tags birds, charles river reservation, christmas bird count, ring-billed gull 6 IDs Research Grade View Sizes small medium large original