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Thread: Possible Iberian Chiffchaff in Suffolk

  1. #1
    Moderator Brian S's Avatar
    Join Date
    Oct 2007
    Suffolk, UK

    Default Possible Iberian Chiffchaff in Suffolk

    On the morning of Sunday 10th April, Peter and James Kennerley and Steve Abbott trapped a bright and quite short-winged Phylloscopus, which went into the bag as a 'Willow Warbler'. During processing, the wing was quite short at 57mm, yet had an emargination on p6 and the plumage was especially bright - alarm bells range, and there was the thought it might be Iberian Chiffchaff.

    A full suite of measurements was taken, which when applied to the Svensson MCV was calculated as 74.9, when >73.2 equates to Iberian (see for some explanation of the MCV and Ibe Chiff ID).

    Unfortunately, when released the bird was not seen again and it was not heard to call or sing - a short tail measurement probably means it was a female.

    James Kennerley has a set of photos of the bird here - compare these with the Common Chiffchaff trapped on the same day -

    Brian S
    Last edited by Brian S; April 12th, 2011 at 04:16 PM.

  2. #2
    Senior Member
    Join Date
    Jul 2010
    West Midlands, UK


    I don't suppose they obtained a feather? More DNA analysis of Iberian Chiffchaff types reaching Northern Europe would be most useful. Two in Scandinavia for which DNA analysis was conducted both proved to be hybrids with collybita. Clearly, a longer series is needed to discover what is the proportion of 'pure' ibericus.

    Alan D.

  3. #3
    Join Date
    Jul 2009


    I believe some feathers came off during processing.

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