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 August 1933 Comments Letters SIRS,- --In his " Survey of the Rooks in the Midlands," Mr. Roebuck deals (antea, p. 23) with the change in population on breeding. But in only a few lines he tells us that, after May, either a wholesale slaughter in some rookeries or a gradual fall in nu...
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