Photo 8836081, (c) Grant Van Horn, some rights reserved (CC BY-NC), uploaded by Grant Van Horn

Attribution © Grant Van Horn some rights reserved Uploaded by gvanhorn Source iNaturalist Associated observations Photos / Sounds What Black-headed Gull (Chroicocephalus ridibundus) Observer gvanhorn Date July 4, 2017 09:15 PM SAST Place Nørre Voldgade 19–27A, Copenhagen, Capital Region, DK (Google, OSM) Date Added July 4, 2017 12:16 PM PDT 2 IDs Research Grade View Sizes small medium large original