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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Letter

01 February 1941 Comments Letters S I R S , -- I t has long been known t h a t there is a remarkable relation between t h e Short-eared Owl (Asio flammeus) and the common field-vole (Microtus agrestis). The common vole at apparently regular intervals increases in numbers in different loca...
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