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Editorial: Records of rare birds

01 August 1959
Comments Editorials DURING the past year or more there has been a growing realization that a large number of birds formerly thought to be rarities are reaching the British Isles regularly, and even in some numbers. In some cases a change of habit or expansion of breeding dis...
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Recent reports and News

01 August 1959
Comments News and comment The items here are largely unchecked reports, and must not be regarded as authenticated records. They are selected, on the present writers' judgment alone, from sources generally found to be reliable. Observers' names are usually omitted for reasons of sp...
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Notes

01 August 1959
Comments Notes Display flight of Bitterns.--On 18th May 1959, at midday, I saw three Bitterns (Botaurus stellaris) rise from a re,ed-bed near Walberswick, Suffolk, and mount in a fresh N . E . breeze to a height which I estimated to be 600 or 700 feet. Not much wingflap...
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Watching migration by radar

01 August 1959
Comments Main paper So FAR AS I know, the first time that radar echoes were definitely identified as coming from birds was in the spring of 1940, when an experimental equipment on a wavelength of 50 cm. at Christchurch, Hampshire, detected gulls (Larus spp.) (Shire, 1958). U...
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