Photo 38261402, (c) Nadezhda Zelenova, some rights reserved (CC BY-NC), uploaded by Nadezhda Zelenova

Attribution © Nadezhda Zelenova some rights reserved Uploaded by npz Source iNaturalist Associated observations Photos / Sounds 6 photos What Black-headed Gull (Chroicocephalus ridibundus) Observer npz Date December 18, 2018 03:51 PM EET Place Зеленоградск, Калининградская обл., Россия (Google, OSM) Date Added May 7, 2019 08:21 PM EET Description dig 3 IDs Research Grade View Sizes small medium large original