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Letters

01 June 2003 Comments Letters In October 2000, the Department for the Environment, Transport and the Regions (DETR) commissioned a consortium (consisting of the BTO, the RSPB/Oxford University Farmland Bird Group, the Central Science Laboratory (CSL) and WildWings Bird Management) ... Read More

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... Read More

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... Read More

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... Read More