Photo 60678393, (c) Riccardo Marchingiglio, some rights reserved (CC BY), uploaded by Riccardo Marchingiglio

Attribution © Riccardo Marchingiglio some rights reserved Uploaded by riccardomarchingiglio Source iNaturalist Associated observations Photos / Sounds What Black-headed Gull (Chroicocephalus ridibundus) Observer riccardomarchingiglio Date November 29, 2019 07:26 AM CST Place Great Britain, London, England, GB (Google, OSM) Date Added February 1, 2020 06:51 PM CST 10 IDs Research Grade View Sizes small medium large original