Herring Gull
Images: Corine Bliek, Attribution-NonCommercial License, Andreas Eichler, CC BY-SA 4.0, shankar s., Attribution License, Edward Webb, CC BY 2.0, Rüdiger Stehn, Attribution-ShareAlike License, Dunnock_D, Attribution-NonCommercial License, Radovan Václav, Attribution-NonCommercial License, Stu's Images, CC BY-SA 3.0, Corine Bliek, Attribution-NonCommercial License, niallstopford, Attribution License, John Haslam, CC BY 2.0, Andreas Eichler, CC BY-SA 4.0, Drbrown1970, Attribution-NonCommercial-ShareAlike License, foxypar4, Attribution License, Blake Matheson, Attribution-NonCommercial License, Philip_Goddard, Attribution-NonCommercial License,
Audio: Stanislas Wroza, Attribution-Non-Commercial-Share-Alike License, idem, Stein Ø. Nilsen, Attribution-Non-Commercial-Share-Alike License, Tero Linjama, Attribution-Non-Commercial-Share-Alike License,