RMFJ52GT–black-headed gull (Larus ridibundus, Chroicocephalus ridibundus), troop on a wire rope, Germany, Bavaria, Niederbayern, Lower Bavaria
RFCN6AAF–Black-headed Gull.Larus ridibundus (Laridae) in flight
RMCBED97–Black-headed Gull (Larus ridibundus), adult on nest, calling. Grote peel National Park, Netherlands.
RMW7W3FX–Common gulls (Larus canus) and Black-headed gulls (Chroicocephalus ridibundus) following two tractors tilling a field, near Eyebrook reservoir, Uppingham, Rutland, UK, November.
RMG7KA1J–Black-headed gull, Larus ridibundus, colony at nests, Romania, June 2016