Letters

01 February 1995
Comments Letters Bernard Zonfrillo (1994) did well to remind us of the anniversary of the extinction of the Great Auk Pinguinns impennis. I have visited many of the world's museums and have examined specimens of the Great Auk and other extinct species, and just handlin...
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Letters

01 August 1980
Comments Letters Importance of Ireland's Brent Geese In his account of 'Ireland's winter visitors and passage migrants', C. D. Hutchinson (Brit. Birds 73: 72-80) noted that the Brent Goose Branta bernicla is now the most numerous goose in Ireland and concluded ...
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Letters

01 April 1979
Comments Letters Birds dunking food There are many references in the literature to birds washing food; they cover about six families and almost all are for water birds. Although termed 'food washing', the behaviour described may fulfil several functions. During...
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Letters

01 February 1977
Comments Letters Photographic quality and usefulness While browsing through a dozen recent volumes of the Swedish journal Vår Fågelvårld, I was impressed by the high proportion of photographs depicting birds in flight, even though not all of them were of very good q...
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Letters

01 February 1962
Comments Letters What is a British bird ? Sirs,--The recent note and subsequent correspondence on the occurrence of a White-throated Sparrow (Zonotrichia albkollis) in Hampshire {Brit. Birds, 54: 366-367 and 439-440) prompts once more the question: what is a British bird?...
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Letters

01 April 1955
Comments Letters THE ABERDEENSHIRE RECORD OF A WHITE-THROATED SPARROW 5ms,--Commenting - on the four British-taken examples of the White-throated Sparrow (Zonotrichia albicollis) in their excellent and timely paper "American land-birds in western E u r o p e " (antea, pp....
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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 May 1952
Comments Letters --The increasing use of various types of colour-marking for the field recognition of birds must lead to confusion between individual experiments unless an authoritative central register can be compiled. The Scientific Advisory Committee of the British Tru...
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Letters

01 June 1951
Comments Letters SIRS,--The Council of the Scottish Ornithologists' Club have pleasure in intimating that a "Rare Birds' Protection" Committee has been formed to work in close conjunction with the Royal Society for the Protection of Birds, and the following have kindly co...
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