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Caspian Gull confirmation please UK (1 Viewer)

GMS

Well-known member
1st winter gull. Photos on the deck unfortunately a bit distant. Not a Herring Gull, white head, black eye. Bill not particulary long but looks quite slim, two toned.
Streaked hindneck, white breast and belly with some streaking on the flanks. Grey scaps/mantle, with only fain markings but a bit difficult to see.

Primary window present. Photo showing upper side seems to show a pale wingbar on greater coverts. Underwing is marked but not sure about variation in first winter and if this is within range or not.

Distinct dark tail band, looks slightly narrower on the outside.
 

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