It was off the southern end of F2, near the "bus stop" and periodically coming in to fish and then retiring further out for a rest and preen. Surprisingly I had the bird pretty much to myself, probably due to the very poor light, and perhaps because of this it came in quite close a couple of times. It was remarkable how successful it was being - virtually every dive resulted in a catch of a small fish.
A few Sand Martins were about but I saw no sign of the Swallows and House Martin seen by others.
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Identify the fish! Stickleback?