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 November 1953
Comments Letters SIRS,--The points which Mr. K. Williamson makes (antea, pp. 231-32) in connection with a remark of mine on the distribution of the Alaska Wren (Troglodytes t. alascensis) (antea, pp. 48-49) are of interest not only in regard t o the evolution of wren race...
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Reviews

01 November 1953
Comments Reviews Social Behaviour in Animals. By N. Tinbergen. (Methuen, London, 1953). 12s.6d. IN The Study of Instinct (reviewed in vol. xlv, p. 182) Dr. Tinbergen was concerned with the entire study of animal behaviour and with its results up to 1948. In the present, m...
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Notes

01 November 1953
Comments Notes Effective distraction display by Mallard.--As only a few observations have been recorded indicating the effectiveness of distraction display by a parent bird in deflecting the attention of a potential predator from the young [Bird Display, pp. 104-105) t...
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