an informal birding record | tarsiger.co.uk |
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Leucistic Herring Gull |
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Larus argentatus argentatus/argenteus? Above: Presumed adult (Essex, 10 February 2012) Given this year's remarkable influx of Kumlien's and Iceland Gulls (though few have yet reached south-eastern England), I wonder how many times this individual has been or will be mistaken for a wishful Kumlien's or Iceland? The dusky grey outer primaries are just visible.
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