Letters

01 July 1993
Comments Letters Naw Herring Gull taxonomy. The recent editorial decision (Brit. Birds 86: 1-2) to adopt splitting Herring Gull into three species L. argentatus, L. cachinnans and L. armenicus, although in line with current trends in avian taxonomy, seems highly c...
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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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