Juvenile Gull ID

Taken in the UK. What is it?  Answer tomorrow.


About Martin Garner

I am a Free Spirit
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7 Responses to Juvenile Gull ID

  1. I’ll have a go (going of tertials) as juv Lesser Black-backed Gull.

  2. David Gray says:

    Maybe Yankee Herring Gull?

  3. Jan Jörgensen (JanJ) says:

    European origin over N. American I woild say – not well enought pattern for smithsonianus on the undertail coverts and with less uniform lower neck and underparts. Tail seems to have a broad dark band – not a wholy dark one. One should of course be aware of the huge variation in smithsonianus (not fully understood yet) and of course LBBG, HG
    Due to long-winged impression – LBBG could seem to be good fit. However, althought some juv LBBG can show similar ‘Herring’ patterned tertials (http://cyberbirding.uib.no/gull/fusjuvb.php) and paler inner primaries (inner web) they seem to be a little bit on the pale side for LBBG indeed. Further more, the unmarked axillaries and underwing coverts, creating a pale underwing, seems odd, and would also be for argentatus/argenteus & smithsonianus as well.
    Newertheless, a Herring would work for me. (not considering michahellis for this one)



  4. Sacha Barbato says:

    Structure seems to fit LBBG to me.

  5. Sarah Deane says:

    I would hazard a guess that this is a juvenile lesser black backed gull.

  6. Margaret says:

    Herring Gull?

  7. Gavin H says:

    I wonder what the fresh product of a Herring x LBBG might look like?

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