Black-headed Gull Chroicocephalus ridibundusAdult, winter plumage, Warks, January 2005 |
© A. R. Dean |
Head markings restricted to ear-covert 'spot' and sullying across centre of crown. White leading edge of outer primaries visible on folded wing. Legs and base of bill rich red. (c.f. 1W individual.)
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