Letters

01 December 2001
Comments Letters When watching House Martins Delichon urbica in 1967, I wrote in my notebook: `Is the mud for the structure of their nests carried on, rather than in, their beaks?'. My impression then was that the birds carried up the mud on the beak, and pressed it in...
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Letters

01 September 1998
Comments Letters I certainly agree that Cley, Norfolk, and its surrounding area is 'the most-watched square in the United Kingdom' (Brit. Birds 91: 260). Whilst there is (as stated) no annual report for Cley, quarterly reports have been published for the past 11 years ...
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