Photo 1084621, (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley

Attribution © Greg Lasley some rights reserved Uploaded by greglasley Source iNaturalist Associated observations Photos / Sounds 4 photos What Great Black-backed Gull (Larus marinus) Observer greglasley Date August 31, 2014 Place River Garavouge, County Sligo, Ireland (Google, OSM) Date Added August 31, 2014 11:06 AM CDT Description 1st winter plumage Great Black-backed Gull 5 IDs Research Grade View Sizes small medium large original Copyright encoding error