Letters

01 January 1979 Comments Letters Thermal soaring of raptors I read D r C. J . Henty's paper on thermal soaring of raptors (Brit. Birds 70: 471-475) with interest, and not a little surprise. I t has long been known by ornithologists that raptors use thermals for soaring, a...
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Letters

01 December 1975 Comments Letters The origin of British Aquatic Warblers In his letter (Brit. Birds, 67: 443-444), Dr J. T. R. Sharrock made the hypothesis that the autumn records of Acrocephalus paludicola in Britain and Ireland are probably to be explained by a reverse migrat...
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Notes

01 October 1971 Comments Notes Moorhen killing Jackdaw In view of A. Blackett's note (Brit. Birds, 63: 384), the following incident may be of interest. On 28th June 1964, at Corsham Lake, Wiltshire, I was watching a pair of Moorhens Gailitmla chbropus with five small chicks feeding by ...
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