Letters

01 February 1968 Comments Letters Width of tail-band of immature Mediterranean Gulls Sirs,--As the plumage of immature Mediterranean Gulls Larus melanocephalus was described in some detail by P. J. Grant and R. E. Scott (Brit. Birds, 60: 365-368), it seems a pity that they did not mention...
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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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