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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The song of the Woodpigeon

01 November 1953 Comments Main paper DURING 1948, one of us (J.S.H.), after listening carefully to the singing- of the Woodpigeon (Columba palumbus) and the recording of a number of its songs, came to the conclusion that the song of this species differed from the generally accepted version, ...
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Fair Isle bird observatory

01 February 1950 Comments Main paper Compiled by KENNETH WILLIAMSON (Director). The following notes have been selected from the Fair Isle Bird Observatory " Notes on Species " record-book as much for their importance in amplifying the information contained in The Handbook of British Birds a...
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Reviews

01 February 1950 Comments Reviews Yorkshire Naturalists' Union. Committee for Ornithology Reports for 1947 and 1948. Edited by Ralph Chislett. (Reprinted from The Naturalist, 1948, pp. 51-74, and 1949, 51-75.) T H E S E reports as usual contain much valuable material. Up to four Gannets w...
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