Swifts in sea-breeze fronts

01 June 1967 Comments Main paper G L I D E R P I L O T S often find themselves sharing rising currents of air with birds, sometimes to considerable heights. A source of upcurrents which has been found and used more extensively in recent years is the rising air at the sea-breeze front. Tw...
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Reviews

01 June 1967 Comments Reviews Animal Navigation. By R. M. Lockley. Pan Books, London, 1967. 205 pages; 25 text-figures. 6s. Ornithologists are apt to think of animal navigation as being about the spectacular homing journeys of birds. In this book the author interprets the term very br...
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Notes

01 June 1967 Comments Notes Barn Owl perching on man.--On 14th December 1966, at 3 p.m., I was digging a ditch on the Royal Society for the Protection of Birds' reserve at Leighton Moss, Lancashire, when I saw a Barn Owl Tjto alba hunting along the hedgerow. It soon dropped on to a ...
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News and comment

01 June 1967 Comments News and comment launches major appeal fund.--With an eye set firmly on a target of £100,000, the Royal Society for the Protection of Birds has now launched what must surely be the most ambitious appeal fund ever made by- a voluntary natural history body in this co...
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Letters

01 June 1967 Comments Letters Little Ringed Plovers in Britain during 1963-67 Sirs,--My last report on the increase and spread of the Litde Ringed Plover Cbaradrius dubius in Britain covered the years 1960-62 (Brit. Birds, 57: 191-198), although some information up to 1965 has been gi...
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Review

01 November 1950 Comments Letters Bird Life. By Edward A. Armstrong. (Lindsay Drummond, 1949.) 12/6. Field Study Books : The Lapwing. By E. A. R. Ennion. (Methuen, 1949.) 6/-. These two books, though differing in approach and in scope, have the same audience and end in view. They have bot...
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Notes

01 November 1950 Comments Notes ON January 4th, 1950, we were standing in the road beside Bolney Grange Ltd., Hurstpierpoint, Sussex, watching about 30-40 WoodPigeons (Columba palumbus) feeding under a tree, when we heard the harsh calls of Carrion Crows (Corvus corone). We looked up, ...
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Birds of Inner London, 1949

01 November 1950 Comments Main paper " A List of the Birds of Inner London " was published in 1929 by A. Holte Macpherson {vide antea, vol. xxii, pp. 222-244) and notes on changes in status and of unusual occurrences have appeared annually in British Birds since then. The volume of records r...
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