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Overview
Black-headed Gull
Black-headed Gull Chroicocephalus ridibundus
1st winter
Klingnauer Stausee (Aargau, Switzerland), February 2015Image ID: chroicocephalus_ridibundus_150227_4901
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Black-headed Gull
Black-headed Gull
Black-headed Gull
Black-headed Gull
Black-headed Gull
Black-headed Gull
Black-headed Gull
Black-headed Gull
Black-headed Gull
Black-headed Gull