Rufford drew a complete blank for ringed gulls. In fact, there were only 11 Black-headed Gulls there, so it looks as if the winter "gulling" sessions are over until July/August when the first wintering birds should return.
Clumber still held Black-headed and Common Gulls. There were approximately 100 Black-headed Gulls present, including 237A, a regular bird that I've seen at both Rufford and Clumber since November 2019. It's a 1st winter/2nd calendar year bird, born in 2019, and ringed at Sherwood Center Parcs on 20th November 2019.
237A
There were a minimum of 10 Common Gulls on the lake, including at darvic ringed bird (JH229), a 1st winter/2nd calendar year bird that was ringed, as a pullus, on 13th July 2019, in Nesna harbour, Nordland, Norway, 1614km away!
Common Gull JH229
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