Photo 5461473, (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 Black-headed Gull (Chroicocephalus ridibundus) Observer roby Date November 2, 2016 05:02 PM HST Place Piemonte, Italia (Google, OSM) Date Added November 7, 2016 07:48 PM CET Description about 40 4 IDs Research Grade View Sizes small medium large original