Photo 5914046, (c) roby, some rights reserved (CC BY-NC), uploaded by roby

Attribution © roby some rights reserved Uploaded by roby Source iNaturalist Associated observations Photos / Sounds What Yellow-legged Gull (Larus michahellis) Observer roby Date December 19, 2016 11:07 AM CET Place Muralto, Svizzera (Google, OSM) Date Added December 30, 2016 03:05 PM CET 2 IDs Research Grade View Sizes small medium large original