Photo 59476183, (c) Michael Keogh, some rights reserved (CC BY-NC-SA), uploaded by Michael Keogh

Attribution © Michael Keogh some rights reserved Uploaded by bushbandit Source iNaturalist Associated observations Photos / Sounds What Black-headed Gull (Chroicocephalus ridibundus) Observer bushbandit Date December 10, 2019 11:44 AM AEDT Place Landstraße, Vienna, Austria (Google, OSM) Date Added January 12, 2020 02:24 PM AEDT 4 IDs Research Grade View Sizes small medium large original