I spent two hours at Rufford yesterday afternoon. There were about 65 Black-headed Gulls present, including 17 juveniles, and 4 darvic-ringed birds.
The darviced birds were 258A (first ringed in February 2020 and reported 42 times, mainly in Rufford. Today's sighting was the first since March 2025), 207C, 258C (both first seen back on 15th July) and 234F (ringed on 9th November 2024, as a 1st winter bird, seen 8 times last winter and last seen in February 2025).
258A
207C
258C
234F
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