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Thread: Age and ID#1?

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    Publisher Arthur Morris's Avatar
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    Default Age and ID#1?

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    My guess (after consulting "Gulls of the Americas") is an advanced second cycle Lesser Black-back Gull:o

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    I agree with Dan,
    Yellow legs, red gape, red orbital ring, yellow iris,
    dark gray wing coverts, red spot on the bill all point to LBBG.
    The age however is bit more problematic. The red bill spot
    seems to indicate that this is 3rd year bird. The primaries however
    have no white spots at all. Bit confusing but I'd say 3rd year.

    There is a slight chance this to be a Black-tailed but I have never seen
    a Black tailed before. It would be interesting to hear other opinions about this.

    Cheers,
    Last edited by Ilija Dukovski; 06-29-2010 at 08:22 AM.

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    Artie, do you have a photo with the tail visible. A white edge on the black tail
    would decide if it is Black-tailed or not.

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    Nice article, look at image #9, apparently the primaries on 3rd year Western
    sub-species of LBBG have no white tips :) (unlike Continental and Baltic):

    http://www.gull-research.org/papers/14muusse.pdf

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