Letters

01 December 1983 Comments Letters Shy Albatrosses, elusive Capped Petrels, and great accumulations of shearwaters It is curious how well the observation by Paul Buckley and William Russell, that some European birdwatchers do not appear to be making much progress with seabirds, ...
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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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