After a couple of weeks away, I had a 2 hour visit to Rufford yesterday afternoon. There were approximately 75 Black-headed Gulls present (c.20 juveniles) and 6 of "own" ringed gulls.
The Black-headed Gulls seen were: 283B (ringed in November 2022, as an adult, and last seen on 4th September 2024),
207C (3rd sighting this "autumn/winter"),
245C (ringed in October 2023, and the first sighting since January 2025),
258C (3rd sighting this "autumn/winter),
Other birds seen were: c.100 Canada Geese, including 1 ringed bird; 5230434., 4 Greylag Geese and 2 adult, unringed Mute Swans.