Photo 60717109, (c) Markus Krieger, some rights reserved (CC BY), uploaded by Markus Krieger

Attribution © Markus Krieger some rights reserved Uploaded by markuskrieger Source iNaturalist Associated observations Photos / Sounds 6 photos What Black-headed Gull (Chroicocephalus ridibundus) Observer markuskrieger Date February 2, 2020 11:51 AM CET Place 94447 Plattling, Deutschland (Google, OSM) Date Added February 2, 2020 06:06 PM CET 1 comment 3 IDs Research Grade View Sizes small medium large original