Thayer's? Gull at Poolsbrook CP



During the morning of 16th February Kevin Gould visited Markham Pit Yard to view the gulls that gather there. Among the flock he noticed an interesting bird but unfortunately it was partially obscured by the other gulls present and he was unable to get any decent views of it. Later that afternoon Kevin was at Poolsbrook CP with Mark Beevers and they both picked up the same bird. Mark thought it was a Thayer's type and from what he could remember of the photos, possibly the same bird that had been present at Dix Pit in Oxfordshire recently. Mark rang me to look out for it at the roost at Ogston but it did not arrive there, at least not before it was dark. Fortunately Martin Garner refound the bird on Erin Tip the next morning where it gave intermittent and mostly fairly distant Views. Eventually it flew down to nearby Poolsbrook during the early afternoon where it gave much better views confirming that it was almost certainly be the Dix Pit bird. An excellent article appeared in Vol 20 No.12 of Birding World, discussng the identity of the bird while it was in Oxfordshire, though the outcome of this was inconclusive, leaving room for more discussion. I'm not sure if the issue of its identity can be progressed much further or ever solved beyond doubt, but I have put together this page of photos, which show various plumage features of the bird, for general interest and would welcome any comments on its identity.
Thanks to Paul Bagguley and Martin Garner for the use of their photos.

Thayer's? Gull Poolsbrook CP 17/02/2008 © Paul Bagguley Thayer's? Gull Poolsbrook CP 17/02/2008 © Paul Bagguley Thayer's? Gull Poolsbrook CP 17/02/2008 © Paul Bagguley

Thayer's? Gull Poolsbrook CP 17/02/2008 © Paul Bagguley Thayer's? Gull Poolsbrook CP 17/02/2008 © Paul Bagguley Thayer's? Gull Poolsbrook CP 17/02/2008 © Paul Bagguley

Thayer's? Gull Poolsbrook CP 17/02/2008 Thayer's? Gull Poolsbrook CP 17/02/2008 Thayer's? Gull Poolsbrook CP 17/02/2008

Thayer's? Gull Poolsbrook CP 17/02/2008 Thayer's? Gull Poolsbrook CP 17/02/2008 Thayer's? Gull Poolsbrook CP 17/02/2008

Thayer's? Gull Poolsbrook CP 17/02/2008 Thayer's? Gull Poolsbrook CP 17/02/2008 Thayer's? Gull Poolsbrook CP 17/02/2008

Thayer's? Gull Poolsbrook CP 17/02/2008 Thayer's? Gull Poolsbrook CP 17/02/2008 © Martin Garner Thayer's? Gull Poolsbrook CP 17/02/2008 © Martin Garner

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