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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Letters

01 September 1950 Comments Letters S I R S , -- I n their paper on this subject in British Birds, vol. xlii, p. 325, David and Elizabeth Lack write t h a t Dr. D. A. Bannerman in his note on Chaffinch Migration in .British Birds, vol. xxxvii, p . 177, supposed t h a t the birds he saw in N...
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Reviews

01 September 1950 Comments Reviews Report of the Natural History Section of the Wiltshire Archcsological &· Natural History Society, 1947 and 1948. Some of the interesting records in these two carefully compiled reports have already appeared in British Birds : a Roller reported (antea, v...
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Notes

01 September 1950 Comments Notes WITH regard to the swimming of small passerines (antea, vol. xl, pp. 179, vol. xlii, p. 183, vol. xliii, p. 121), the following incidents may be of interest. At the Eye Brook Reservoir, Leicestershire, a colony of Tree-Sparrows (Passer montanus) uses the...
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