Photo 637911, (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott

Attribution © Susan Elliott some rights reserved Uploaded by susanelliott Source iNaturalist Associated observations Photos / Sounds What Great Black-backed Gull (Larus marinus) Observer susanelliott Date September 2008 Place United States (Google, OSM) Date Added January 14, 2014 04:15 PM EST 3 IDs Research Grade View Sizes small medium large original