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  1. H

    Gull ID - North West Japan

    1st left is as adult winter Slaty as they come, I think. The others look a bit bulky for Black-tailed but I think that's what they all are, but it is not with great certainty I say that. cheers, G
  2. H

    Gull ID - North West Japan

    These look not dissimilar I would think: Very dark mottled birds well into winter usually, see also here: Gull Research Organisation cheers, Gerben