Photo 55098185, (c) Maxim Shashkov, some rights reserved (CC BY), uploaded by Maxim Shashkov

Attribution © Maxim Shashkov some rights reserved Uploaded by max_carabus Source iNaturalist Associated observations Photos / Sounds 4 photos What Black-headed Gull (Chroicocephalus ridibundus) Observer max_carabus Date October 23, 2019 06:21 PM MSK Place Katwijk, Zuid-Holland, Netherlands (Google, OSM) Date Added October 28, 2019 12:08 AM +06 2 IDs Research Grade View Sizes small medium large original