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Viking/Nelson or HG?

Posted: Fri Feb 16, 2018 10:50 pm
by paseriformes
I would like to receive opinions about the identification of this gull, was located in Coruña, North of Spain in December and there are doubts if it is a Viking / Nelson or a very extreme HG.
First picture is my and the second one was taken by Jose Ramon Bugallo

Re: Viking/Nelson or HG?

Posted: Wed Mar 21, 2018 7:02 pm
by mantelmeeuw
Sorry for my late reply. I too think this is beyond normally Herring Gull. There must have been strong influence of hyperboreus in this bird: Viking Gull.