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  1. W

    Gulls part two, SoCal

    I assure you that it is true. In the Iceland/Kumleins/Thayers complex only Thayers has dark primaries. Although some authorities maintain them as subspecies so I guess if you include Thayers as part of the Iceland species then you could state that, but it would still be more accurate to name the...
  2. W

    Gulls part two, SoCal

    Iceland Gull can be ruled out for all of them due to the black primaries.