News and Comment

01 January 2006
Comments News and comment As 2005 drew to a close, the virulent H5N1 strain of avian influenza was reported in poultry in the Crimea peninsula of Ukraine. This was the fourth country in Europe to report bird flu, following outbreaks in October in Romania (dead Mute Swans Cygnus...
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Letters

01 January 2006
Comments Letters I refer to Steve Percival's article on this subject (Percival 2005). By the end of 2004, 16,534 wind turbines were installed in Germany, which provides enormous scope for research on the potential impacts to bird populations. Most of this research has ...
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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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