Letters

01 October 2000
Comments Letters The RSPB agrees with Bernard Zonfrillo (Brit. Birds 93: 394-396) that the world is not ideal, but believes that some of his other comments are misplaced. Globally, introductions are a major cause of biodiversity loss (Vitousek et al. 1997) and pose a s...
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Letters

01 February 1947
Comments Letters SIRS,--With reference to Colonel Ryves's note (antea, Vol. xxxix, p. 375} oa a clutch of two eggs only, of the Blackbird (Turdus »». merula), I wish to point out that this number of eggs for a full clutch is not extremely abnormal. I cannot but thin...
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