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 August 1928 Comments Letters S I R S , -- I am surprised t o find in BRITISH B I R D S of last month the statement [p. 32] b y Lt.-Col. B . H . Ryves t h a t , in spite of his long experience, he has never found the nest of a Mistle-Thrush in his district containing more than four eg...
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