The movements of Swifts in summer

01 May 1951
Comments Main paper 1950 was a good year for studying the movements of Swifts (Apus apus). Well over 20,000 were reported during the special watch held under the auspices of the British Trust for Ornithology. This covered the arrival period prior to May 15th, 1950. Another 2...
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Editorial

01 May 1951
Comments Editorials As announced in British Birds for March a new editorial board, whose members are named on the title-page, becomes responsible for the conduct of the magazine beginning with this issue. It is intended to maintain broadly the existing traditions, standards...
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Letters

01 May 1951
Comments Letters SIRS,--A serious error has crept into t h e obituary notice of m y old friend Bernard Tucker. To quote : " The memorable Oxford University Expedition to Spitsbergen " took place in 1921 n o t 1922, and Tucker was n o t one of t h e members. I n 1922 F . C...
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