Black-headed Gull
Black-headed Gull
Chroicocephalus ridibundus
Adult breeding
Black-headed Gull
Chroicocephalus ridibundus
Adult breeding
Black-headed Gull
Chroicocephalus ridibundus
Molt from Adult to Adult non-breeding
Black-headed Gull
Chroicocephalus ridibundus
Adult non-breeding
Black-headed Gull
Chroicocephalus ridibundus
First winter
Black-headed Gull
Chroicocephalus ridibundus
Chroicocephalus ridibundus
Adult breeding