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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Letters

01 January 1951 Comments Letters SIRS,--An annual report for the County of Suffolk is to be published, beginning with 1950, and I would be grateful if any of your readers who may have records of observations made in Suffolk in this or subsequent years would be good enough to send them to...
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Books Received

01 January 1951 Comments Editorials Flamingo City. By G. K. Yeates. (Country Life, 25/-). Birds and Men. By E M. Nicholson. (Collins, 21/-). The Sarawak Museum Journal (Vol. V, No. 2, September, 1950). ment Printing Office, Kuching, Sarawak ; $6.00 Straits). (Govern-...
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Reviews

01 January 1951 Comments Reviews Fifteenth Annual Report (1948) and Sixteenth Annual Report (1949) of the British Trust for Ornithology. Price 1/6. Obtainable from B.T.O., 91, Banbury Road, Oxford. These two reports give evidence of much useful work carried on under the auspices of the B...
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