News and comment

01 November 1966 Comments News and comment World conference of the I.C.B.P.--The 14th world conference of the International Council for Bird Preservation, held in Cambridge from n t h to 15th July 1966, was attended by representatives from 31 different countries. A wide range of topics were discus...
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Letters

01 November 1966 Comments Letters Fault-bars as a means of ageing birds Sirs,---Last year I read a letter by C. J. Mead on the ageing of birds by means of fault-bars (Brit. Birds, 58: 227-228), in which he referred to the work of W. E. Glegg who noted fault-bars on the tails of 737 bird s...
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Reviews

01 November 1966 Comments Reviews Population Studies of Birds. By David Lack. Clarendon Press, Oxford, 1966. 341 pages; 1 photographic plate; many textfigures. 63s. Dr. Lack's first book on animal populations, The Natural Regulation of Animal Numbers (1954), embraced all animals, but most...
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Notes on Nesting Nightjars

01 July 1957 Comments Main paper THE following observations were made in late June and early July 1952-56, round Westleton in Suffolk, where Nightjars (Caprimulgus europaeus) breed not uncommonly on sandy heaths similar to those where I studied the species fifty miles N . N . W . , round...
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Letters

01 July 1957 Comments Letters T H E C O L L E C T I O N O F R E C O R D S F O R ANALYSIS S I R S , -- Y o u r correspondent, Mr. T. C. Smout, raises issues of fundamental importance (antea, vol. xlix, pp. 287-288). If a paper is put forward for publication in a scientific form and pur...
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