Editors Note The attached comment from James Hanlon is relevant to this bird.
'Despite some speculation on Twitter that the bird is a female, it appears to be a first winter male on account of the mainly white greater (secondary) coverts but mainly dark (greater) primary coverts. Like the last bird at Ouse Fen it appears to be a young male nivalis (Greenland/ Scandanavian race) rather than the darker (Icelandic) insulae.
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