Photo 109561819, (c) cpu, some rights reserved (CC BY-NC), uploaded by cpu

Attribution © cpu some rights reserved Uploaded by cpu Source iNaturalist Associated observations Photos / Sounds What Black-headed Gull (Chroicocephalus ridibundus) Observer cpu Date April 22, 2006 12:20 PM CEST Place 7142 Illmitz, Österreich (Google, OSM) Date Added January 8, 2021 08:50 PM CET 2 IDs Research Grade View Sizes small medium large original