Letters

13 March 2014 Comments Letters D o some Wallcreepers migrate? Recent letters by David Elias, H. G. Alexander and Guy Mountfort on the movements of the Wallcreeper Tichodroma muraria referred respectively to observations in Cyprus (Brit. Birds, 63: 393-394) and the Indo-Pakistan subc...
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Letters

01 May 1952 Comments Letters --The increasing use of various types of colour-marking for the field recognition of birds must lead to confusion between individual experiments unless an authoritative central register can be compiled. The Scientific Advisory Committee of the British Tru...
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