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  1. lou salomon

    Herring Gull - what age? 09 Apr 21, UK

    i can't explain the 9 primaries, Deb. occasionally i have seen posted birds with 11 or 9 primaries, apparently genuine abnormalities and not due to dodgy moult implication. in this bird, i cannot see any sign of primary moult either, there seems to be no moult gap. some large gull taxa (to which...
  2. lou salomon

    Herring Gull - what age? 09 Apr 21, UK

    location and date please. it's an interesting individual (Herring Gull) that shows only 9 primaries in its left wing. and Deb is right, it should be a 3rd cycle (4cy) due to large white tips to inner primaries and secondaries.
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