Photo 29489256, (c) Sam Fellows, some rights reserved (CC BY-NC), uploaded by Sam Fellows

Attribution © Sam Fellows some rights reserved Uploaded by samfellows566 Source iNaturalist Associated observations Photos / Sounds What Great Black-backed Gull (Larus marinus) Observer samfellows566 Date December 24, 2018 09:37 AM PST Place Wisconsin, USA (Google, OSM) Date Added December 24, 2018 11:39 AM PST Description Fourth bird from the left, note very dark mantle and pink legs. 3 IDs Research Grade View Sizes small medium large original