Ring-billed Gull in Glamorgan

01 December 1973
Comments Main paper At 13.10 hours on 14th March 1973 I scanned a flock of several hundred gulls which were resting on the beach at Blackpill, Swansea Bay, Glamorgan, using a telescope from a range of about 250 metres. The flock, part of a regular high-tide gathering, con...
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