Here are a few ringed Black-headed Gulls that I had on the Thames last week ... 1) Adult yellow ' 2PJB', Barnes, 5 December. Ringe...

A brief report from our trip to France, Belgium and the Netherlands in early March 2015. You'll find details on Black Swan, Bar-headed G...

I've just had a most enjoyable weekend on the near-continent in the company of James Shergold and Harry Murphy. Our quarry was a mixed b...