Letters

01 June 1973
Comments Letters Wallcreeper on migration in the Netherlands Dr H. Lohrl's statement (Brit. Birds, 63 : 167) that the Wallcreeper Tichodroma muraria is non-migratory has been challenged by David Elias, H. G. Alexander, Guy Mountfort and K. D. Smith (Brit. Birds...
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Letters

01 November 1936
Comments Letters S I R S , -- I have read Mr. A. W . Boyd's " Report on t h e Swallow Enquiry, 1935 " {antea, pp. 98/116) with much interest. I n Dumfriesshire, there is a belief t h a t t h e presence of Swallows i n a cow-byre ensures good luck. I t is certainly curious...
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