Letters

01 March 2001 Comments Letters I was not terribly reassured by any of the comments of Mark Avery (Brit Birds 93: 500) in reply to my criticism of the pilot Ruddy Duck Oxyura jamaicensis cull and the rationale behind it (93: 394-396). Rather disturbingly, the RSPB's Director of Conse...
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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 June 1963 Comments Letters SIRS,--Having paid some attention to t h e manner in which t h e face of t h e Rook becomes bare, I m a y state t h a t in t h e main m y observations a n d specimens confirm Mr. Witherby's conclusions. But, with regard to this species n o t breeding in t...
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Letters

01 September 1950 Comments Letters S I R S , -- I n their paper on this subject in British Birds, vol. xlii, p. 325, David and Elizabeth Lack write t h a t Dr. D. A. Bannerman in his note on Chaffinch Migration in .British Birds, vol. xxxvii, p . 177, supposed t h a t the birds he saw in N...
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Letters

01 July 1933 Comments Letters SIRS,--A pair of Starlings (Sturnus v. vulgaris) made their nest in the top of a gutter pipe about thirty feet from the ground. At this time it was fine weather. Five eggs were laid, and incubated for five days, during which time the Starling that was not...
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