Letters

01 July 1978 Comments Letters Diving methods of Great Northern and Black-throated Divers On inland waters, I have noticed that Great Northern Divers Gavia immer always slither under slowly when diving, whereas Black-throated G. arctica jump upwards slightly before they dive...
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Letters

01 August 1977 Comments Letters Melanistic Grey Heron Bryan L. Sage (in litt.) has confirmed that, when making his recent comment (Brit. Birds 70: 76), he had overlooked my record of a melanistic Grey Heron Ardea cinerea at Little Tring Reservoir, Tring, Hertfordshire, on 29th S...
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Letter

01 May 1935 Comments Letters SIRS,--A sample count of Great Crested Grebes (Podiceps c. cristatus) is to be taken during the coming summer under the auspices of the British Trust for Ornithology. The main object of the count is to ascertain as far as possible what effect the past two...
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Letters

01 February 1935 Comments Letters SIRS,--May I say something on this vexed subject ? I speak of those territorial species whose young depend upon insects for food. Three sets of facts seem connected :-- (i) T h a t in a cold and wet breeding season we find infertile eggs, chicks dead in t...
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Letters

01 January 1935 Comments Letters SIRS,--1 read with interest Mr. Rickman's note regarding the nesting oi the Pintail in Dumbartonshire (antea, p, 206). For many years I have kept and bred Pintail at Tullichewan, which is only about two or three miles from the spot where Mr. Rickman found...
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Letters

01 September 1934 Comments Letters SIRS,--With reference to the extremely interesting article by Lieut.Col. and Mrs. B. H . Ryves on the breeding-habits of the Corn-Bunting as observed in north Cornwall (Vol. X X V I I I . , pp. 2-26) and Mr. John Walpole-Bond's detailed study of the Susse...
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