I dropped in on the Thames at Crossness today and scanned the hundreds of Black Headed Gulls looking for the Bonaparte's Gull that was seen yesterday. I have seen a couple of them this year but this particular one is a second summer and showing almost adult plumage with a clear BLACK head. The Black Headed Gulls we know actually have brown heads so it would be quite easy to pick out the american visitor if it were present but unfortunately it wasn't seen. Just a few Cormorants and Common Terns along with a single Shelduck to add to the hundreds of BHG's feeding on the sewage outfall.
I grabbed a couple of quick shots of the terns.
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| Common Tern |
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| Common Tern |
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| Common Tern |
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