1st winter Russian (heinei) Common Gulls, Istanbul

Here are some of the Common Gulls I came across in Istanbul. according to the Peter Adriaens & Chris Gibbins paper from Dutch birding a couple of years ago Istanbul was a research location for heinei Common gulls, most of what I was seeing were likely from decent ‘Russian’ stock, they did have that look and showed:

  • A Clean white, mostly un-streaked head (I feel this must be a highly important feature as I am yet to see canus show this!) with Casp-like neck Shawl
  • Pink Bill base
  • Clean white rump and upper tail, a neatish thin Black band with little or no white in outer web of t6
  • Mostly White underwing, contrasting with dark secondaries
  • A long winged appearance
  • 2nd generation Scapulars are darker than canus, many with brown chevrons and markings contrasting with the darker choclately remaining wing coverts, (unless bleached as some were)

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The next few birds shows some head streaking but give a similar feel to me in terms of the tones in the wing and mantle, could well be from an intergrade zone or just variation … dunno

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The Below photo was taken in Cyprus December 2016, a similar thing going on, long winged, bug eyed thing.

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Ive seen a few Candidates in the UK, with one in particular showing almost every feature but the usual let down over here is the lack of an un-streaked almost pure white head which I suppose gives that impression of a small round head with a large eye and the expression seen on the clean headed birds above. According to the BBRC heinei common gulls are something along the lines of ‘probably only scarce’ due to a number of birds ringed in a catch of common gulls being assigned to heinei on biometrics (mainly wing length i think) i’ve never seen one that looks exactly like theyre supposed to in the paper although id hope it was a possibility. Keep looking.

 

 

 

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