Letters

01 April 2002 Comments Letters Having read the `Report on rare birds in Great Britain in 2000' (Brit. Birds 94: 452-504), as well as several of the previous Reports, I feel that clarification is needed on the correct terminology to be used with regard to rare species the occurrence ...
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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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