Letters

01 June 1958 Comments Letters S I R S , -- U n d e r the above title (anlea, vol. L, p p . 432-434), R. Hewson has usefully drawn attention to the aerobatics-- familiar in individuals--that are sometimes performed by flocks of Ravens (Corvus corax) and has discussed questions suggeste...
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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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Letters

01 February 1938 Comments Letters SIRS,--In reply to Mr. Lockley's letter under this heading (antea, pp. 278-9), I had two main points t o make in m y report on Skokholm Island, namely :-- 1. That owing t o its depredations on Storm-Petrels, the Little Owl should, if possible, be prevente...
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Letters

01 January 1938 Comments Letters SIRS,---Miss Hibbert-Ware (Little Owl Inquiry, antea, pp. 215-216) prefaces her remarks on Little Owls 011 Skokholm Island, Pembrokeshire, with the w o r d s : " T h e following incident seems, however, t o contradict these conclusions [that t h e Little ...
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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 March 1933 Comments Letters S I R S , -- I am making an investigation into t h e extent t o which butterflies in t h e perfect or imaginal state are preyed upon in t h e British Isles by birds, and should be grateful for any first-hand observations, giving, where possible, t h e spe...
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