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 October 1971
Comments Letters Guillemots in Perthshire The most interesting note by E. J. Wise on the occurrence of Guillemots Uria aalge on the upper Tay inland in central Scotland in the autumns of 1969 and 1970 {Brit. Birds, 64: 77) raises a number of points. First, it is of course...
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Letters

01 October 1971
Comments Letters N e w names for auks Sirs,--In his latest revival of the desultory correspondence on vernacular names (Brit. Birds, 54: 255-256; 56: 383-384; 57: 36-37; and 57:134), R. W. Storer goes beyond previous proposals that we should add qualifying adjectives to a...
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