Reviews

01 September 1962
Comments Reviews Identification for Ringers: 2. T h e Genus Phylloscopus. By Kenneth Williamson. British Trust for Ornithology, Oxford, 1962. 86 pages; 1 colour and 4 monochrome plates. 7s. There are now about a thousand ringers in Britain. Many of these are trained and l...
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Notes

01 September 1962
Comments Notes Shelduck moulting in breeding area.--On 9th July 1961, in an area of extensive fresh grazing marshes in north Kent, I noticed an adult male Shelduck (Tadorna tadornd) swimming along the edge of a large fleet. The knob on its bill had regressed, but it was...
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Letters

01 January 1957
Comments Letters " ATMOSPHERIC TURBULENCE AND BIRD F L I G H T " S I R S , -- I n his letter on the above subject (antea, vol. xlviii, p p . 557-559) I. C. T . Nisbet puts forward an ingenious theory of wind-determination by feel. While agreeing that it is possible, I als...
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