Not for the first time have we seen a flourescent gull on the reserve. Russ Sherriff snapped this adult Black-headed Gull on last week (21st) down near the Concrete Barges. I am trying to find out whether any of the national gull ringing groups are marking in this way (they used to at Gerrards Cross) and will report back in due course. In the meantime if you come across it please let us know.. it is trackable however the yellow got there!
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