Letters

01 May 1992
Comments Letters Yellow-legged Herring Gulls in Essex. The note on yellow-legged Herring Gulls Larus argentatus in Essex in 1973-74 [Brit. Birds 84: 342-343), detailing the increase in southwest Essex, failed to mention the dramatic change in status in Essex since 1980...
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Letters

01 December 1955
Comments Letters Further remarks on discoloration in House Sparrows Sirs,--The observations of C. J. O. Harrison (Brit. Birds, 56: 296-297) on 'industrial' discoloration in House Sparrows (Passer domesticus) and other birds prompt us to record information on an allied pro...
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