Photo 56331401, (c) Alan Horstmann, some rights reserved (CC BY-NC), uploaded by Alan Horstmann

Attribution © Alan Horstmann some rights reserved Uploaded by alanhorstmann Source iNaturalist Associated observations Photos / Sounds 2 photos What Black-headed Gull (Chroicocephalus ridibundus) Observer alanhorstmann Date November 14, 2019 03:05 PM SAST Place 78000 Versailles, France (Google, OSM) Date Added November 15, 2019 05:08 PM SAST 6 IDs Research Grade View Sizes small medium large original