Letters

01 November 2011
Comments Letters Michael Shrubb's (2011) review of the histor- ical status of the Great Bustard Otis tarda in Britain very much follows our paper (Waters & Waters 2005) and we agree with most of what he writes. His main conclusion, that the Great Bustard did not colonise ...
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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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