Letters

01 June 1969 Comments Letters Bill-length as a field-character of the White-winged Black Tern ? In his paper on 'Juvenile and winter plumages of the marsh terns' (Brit. Birds, 53: 243-252) Kenneth Williamson differentiated without qualification between the bill of the Black Tern Chlid...
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Notes

01 July 1957 Comments Notes 1956, a female Mallard (Anas platyrhynchos) wearing a British Museum ring (941642) was recaptured in the decoy a t Slimbridge, Gloucestershire. She was accompanied by four ducklings, estimated to be four or five days old. This female was marked at Slimbri...
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Notes

01 May 1943 Comments Notes 1942 I had excellent opportunities of observing the birds which frequent the southern shores of Ayr Bay, between the mouth of the river Doon and the Heads of Ayr. As a result I have been able to add three new birds to the Ayrshire list, and I include one...
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