Letters

01 August 1952 Comments Letters SIRS,--The Ibis for April 1953 will include a group of papers on Visible Migration (particularly in passerine birds) as observed in various countries. The newly-formed Sub-committee on Visible Migration of the British Trust for Ornithology (see below) fee...
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Letters

01 November 1944 Comments Letters SIRS,--With reference to t h e note under this heading (antea, p. 53), I found a pair of Ravens breeding in a similar situation in mid-Wales during early April, 1929. The Raven's nest was situated in a tree about 30 yards from a rookery of eighteen nests....
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Letter

01 August 1944 Comments Letters SIRS,--May I, through t h e courtesy of your columns, state t h a t I should b e interested t o hear from any of your readers possessing unpublished notes on t h e Ornithology of the Holy Island of Lindisfarne and its environs....
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