Thames Casps old and new… for me

Thames barrier park for 2 hours before Low tide and Dantes spangling 3rd Winter Casp was the first bird I put my bins on. It was Keen on the bread but not willing to get into good light I enjoyed watching it through bins as you dont see many 3rd winters.

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Below, an awful flight shot but shows p4 mark and broad band on p5 well enough.

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This apparent 1w Argentatus came to the bread briefly

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Gull numbers were pretty low and there were just a few black heads at Lyle park. I was hoping to catch up with my beloved Lyle but sadly it was not to be. Over to the O2 and within a few mins I had a first winter Casp that i didn’t recognise. I watched it in flight mostly as when it pitched down it did so quite distantly.

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It does seem to have a similar feel to the two rung birds Dante and I have seen on the thames, both rung in east Germany in mixed colonies and I wouldn’t be surprised if this bird was from a similar place, in fact it is rung but only with a metal ring which i couldn’t read. This just in! Apparently tis bird was actually seen back in December at Thames Barrier Park – funny how they come and go.

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Below, good old ‘mucky’ one of the O2’s regular 1st Winter Caspian gulls was lurkin about too.

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Below, both casps together.

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I’d heard that Lyle had been seen at East India dock so tried my luck there but only had the weirdo Black head that we see occasionally.

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And this subtle 2nd winter Herring which in flight I took to be a first winter Argie with that tail pattern, It wasn’t until it landed on the water I could see all scaps and coverts were replaced but scaps lacking many adult grey types.  I love 2nd winter herrings.

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