"Two Black-headed Gulls (Chroicocephalus ridibundus, formerly Larus ridibundus), East Frisian Islands, East Frisia, Lower Saxony, Germany, Europe"

"Black-headed Gulls (Larus ridibundus, Chroicocephalus ridibundus), in flight, Mecklenburg-Western Pomerania, Germany, Europe"

"Black-headed Gulls (Larus ridibundus, Chroicocephalus ridibundus) in flight, Mecklenburg-Western Pomerania, Germany, Europe"

Black-headed gull (Chroicocephalus ridibundus) in water, Chiemsee, Bavaria, Germany, Europe

"Black-headed gull (Larus ridibundus) landing with one foot touching water, Chiemsee, Upper Bavaria, Bavaria, Germany, Europe"

"Black-headed gulls (Larus ridibundus, Chroicocephalus ridibundus) standing on a railing and starting, Mecklenburg-Western Pomerania, Germany, Europe"

Black-headed Gull (Chroicocephalus ridibundus) sitting on a sign of a nature reserve, Texel, Wadden Islands, Netherlands, Holland, Europe

"Black-headed Gull (Chroicocephalus ridibundus, Larus ridibundus), Lake Zug, Canton of Zug, Switzerland, Europe"

Black-headed gull (Larus ridibundus) flying, Texel, North Holland, Holland, Netherlands

"Black-headed Gull (Chroicocephalus ridibundus, Larus ridibundus), approaching, Lake Zug, Canton of Zug, Switzerland, Europe"

"Black-headed Gull (Larus ridibundus, Chroicocephalus ridibundus), winter plumage, portrait, Mecklenburg-Western Pomerania, Germany, Europe"

"Black-headed gulls (Larus ridibundus, Chroicocephalus ridibundus) and herring gulls (Larus argentatus) on a Baltic Sea beach, Mecklenburg-Western Pomerania, Germany, Europe"

Two Black-headed gulls (Larus ridibundus) reflected in the water, Texel, The Netherlands, Europe