Notes

01 November 1963
Comments Notes IT has long been known that, in the Common Crossbill (Loxia curvirostra) the mandibles cross indifferently on either side in different individuals. Recently, however, for a special purpose, I desired to ascertain whether or not individuals having the man...
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A Student of Gulls.

01 November 1963
Comments Main paper THAT Ornithology sustained a heavy potential loss by the death of Ewen Kennedy, in 1909, a t the early age of twenty-eight, is evident by a perusal of his notes, put together in beautiful form* by the loving hand of his sister, Mrs. Maedonald. Beyond a ch...
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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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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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