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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50th Anniversary messages

01 June 1957 Comments Main paper FURTHER to mark our 50 years of continuous publication, we invited comments from a number of distinguished ornithologists, chiefly Editors of other journals, both in this country and abroad. Below, we print a selection of the replies we received.From M. l...
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Editorial: The First Fifty Years

01 June 1957 Comments Editorials Witherby approached many friends and fellow-ornithologists to support a monthly magazine devoted entirely to the study of British birds, which had long been in his mind. A note in his handwriting records how, at the British Ornithologists' Club that Janu...
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Notes

01 June 1957 Comments Notes have asked me to comment briefly on the remarkable photograph of the Penguin-dance of the Great Crested Grebe (Podiceps cristatus) published in this issue (plate 48). Comparatively few observers have been fortunate enough to "witness this elaborate form o...
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