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 October 1992 Comments Letters Identifying Spanish egrets It is not without misgivings that one challenges so accomplished and widely acknowledged an authority as Rob Hume, but we must point out an error in his paper on the identification of the Little Egret Egretta garzetta (Brit. ...
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