RMFJ52GT–black-headed gull (Larus ridibundus, Chroicocephalus ridibundus), troop on a wire rope, Germany, Bavaria, Niederbayern, Lower Bavaria

RMD4H6G0–Black-headed gull (Larus ridibundus) in winter plumage calling from tree branch, St. James's Park, London, England, UK

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

RMKKNWAX–Black-headed Gull - Larus ridibundus

RMBBW863–Black headed gull Larus ridibundus winter plumage adult swimming with reflection

RMM9MJ00–Black-headed Gull (Larus ridibundus) in non-breeding plumage mirrored in ice. Germany

RMCR5PAG–Black-headed Gull (Larus ridibundus) standing on a beach with atmospheric evening light, Darss Peninsula

RMEACXR1–Black-headed gull (Larus ridibundus syn. Chroicocephalus ridibundus)

RMANTFMY–Juvenile Black-headed Gull Larus ridibundus in flight with nice blue sky Therfield hertfordshire

RFENJ17R–black-headed gull, larus ridibundus