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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Some notes on the Long-eared Owl

01 June 1941 Comments Main paper (Plate i.) does not appear to be a great deal of literature concerning the nocturnal habits of the Long-eared Owl (Asio o. otus), and, to a large extent, this can be understood as observations during the hours of darkness are difficult, and sometimes impo...
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Notes

01 June 1941 Comments Notes IT appears from the Handbook of British Birds that no display other than the song-flight has been recorded for the Greenfinch (Chloris ch. Moris). On May 2nd, 1941, my attention was drawn to a shrubbery in Staffordshire frequented by Greenfinches by a no...
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