Chroicocephalus ridibundus - Black-headed Gull

Chroicocephalus ridibundus - Black-headed Gull
With advanced head moult.

Chroicocephalus ridibundus - Black-headed Gull
A diluted individual without black head markings and with very light almost white mantle, scapulars and coverts.

Chroicocephalus ridibundus - Black-headed Gull

Chroicocephalus ridibundus - Black-headed Gull
A diluted individual without black head markings and with very light almost white mantle, scapulars and coverts.

Chroicocephalus ridibundus - Black-headed Gull
While searching for color-ringed birds I noted this bird from a large distance.
I was curious to read the code on the ring. It took me some time to approach it,
only to see that the 'ring' was not a marker, but a clump of ice.

Chroicocephalus ridibundus - Black-headed Gull
This gull has an complete dark cap on December 4. That is approximately two to three months early.

Chroicocephalus ridibundus - Black-headed Gull

Chroicocephalus ridibundus - Black-headed Gull

Chroicocephalus ridibundus - Black-headed Gull

Chroicocephalus ridibundus - Black-headed Gull

Chroicocephalus ridibundus - Black-headed Gull