Recent reports

01 October 1970 Comments News and comment These are largely unchecked reports, not authenticated records This report summarises the records for September 1970 and, unless otherwise stated, all dates refer to that month. While an anticyclone persisted over the Azores until 17th, a series of depres...
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News and Comment

01 October 1970 Comments News and comment Annual Conference The Annual Conference of the British Trust for Ornithology was held at the Hayes Conference Centre, Swanwick, Derbyshire, from 4th to 6th December 1970, and the wide range of subjects discussed demonstrated the many-sided outlook of the...
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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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