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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Letter

01 July 1936 Comments Letters S I R S , -- I have often been struck by the apparent differences in colour of Lesser Black-backed Gulls on the Clyde. On May gth, 1936, a t 9.30 a.m. (summer time) I watched half a dozen of these Gulls sitting on a railing on Dunoon pier within a few yar...
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Letter

01 April 1936 Comments Letters S I R S , -- I n British Birds, Vol. X X V I I . , there were published several letters about early instances of t h e recognition of Territory, a n d Dr. N . F . Ticehurst pointed o u t t h a t t h e possession of territories by Mute Swans was recorded a...
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Letters

01 April 1936 Comments Letters SIRS,--In view of Mr. Lack's note on t h e repeated re-trapping of Robins (antea, p . 288), I m a y mention t h a t in t h e winter of 1929-30, when a t Cambridge, I had a Sparrow t r a p in t h e garden " baited " with seed. Greenfinches (Chloris ch. Mor...
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Letters

01 March 1936 Comments Letters S I R S , -- I was very interested in Mr. H . G. Alexander's letter on t h e movements of sea birds a t Dungeness (antea, pp. 298-9), because I watched a considerable movement of divers there on January 25th, 1936. I first reached t h e coast a t Camber, ...
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Letters

01 February 1936 Comments Letters S I R S , -- I have studied with considerable interest, in the December issue, Mr. H. G. Alexander's article and chart on the song-periods ·of birds, and all the more so as t h e songs and notes of birds have been an engrossing study with me (in Cheshire...
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