Letters

01 May 2000 Comments Letters The dramatic decline in the numbers of House Sparrows Passer domesticus in the centre of London over the past 20 or so years is well documented and generally accepted (Summers-Smith 1999). Indeed, the matter of the decrease has already been raised twic...
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Letters

01 February 1977 Comments Letters Photographic quality and usefulness While browsing through a dozen recent volumes of the Swedish journal Vår Fågelvårld, I was impressed by the high proportion of photographs depicting birds in flight, even though not all of them were of very good q...
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