Black-headed gull adult bird in winter plumage walking under peer on the Baltic sea coast in Slow motion

chroicocephalus ridibundus blackheaded gull winter plumage walk seaside peer under small wave crash wet sand white sand one following slow motion small gull gull bird avian migratory common forage insects beach worms scraps black headed seabird water adult wild seagull wildlife white beak freedom standing ecology environment ocean coast redlowo gdynia poland coastal