Photo 9706281, (c) pnorton, some rights reserved (CC BY-NC), uploaded by pnorton

Attribution © pnorton some rights reserved Uploaded by pnorton Source iNaturalist Associated observations Photos / Sounds What Great Black-backed Gull (Larus marinus) Observer pnorton Date August 9, 2017 04:46 AM EDT Place Manset, Southwest Harbor, ME, USA (Google, OSM) Date Added August 12, 2017 11:27 AM EDT 3 IDs Research Grade View Sizes small medium large original