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 July 1953 Comments Letters SIRS,--At a meeting held in Aberdaron on March 7th, 1953, a committee was formed to establish a permanent observatory on the island of Bardsey. The position of the Island, at the very tip of the Lleyn Peninsula, makes it an ideal site for the study of bir...
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