Lesser Black-backed Gull Larus fuscusThird calendar-year graellsii, West Midlands, May 2016 |
© A. R. Dean
A 3cy (second-summer) Lesser Black-backed Gull in late May. Wing-coverts predominantly old and faded, contrasting with immaculate adult-like mantle. Evident 'moult contrast' in tertials. Bill approaching adult pattern but with pronounced subterminal black band.
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