Plate 1

Plate 2

In Plate 1 note the clean slate-grey 'saddle', including mantle and scapulars, and also the new, grey, median coverts. This state of moult is well in advance of a similarly aged Herring Gull. Note also the proportions of head and bill, the suggestion of a dusky mask around eye, the black centres but variegated tips to the second-generation outer tertials, and the deep and solidly black tail-band. In Plate 2 the rather strongly contrasted plumage is evident, with the grey 'saddle' contrasting with the adjacent wing-coverts and the clean white rump and base to the tail contrasting with the solidly black tail-band. This individual is very similar to the long-staying Yellow-legged Gull at the same site, which is now adult but arrived as a 2W in January 2010.

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