Letters

01 June 2010 Comments Letters When accounts of species new to Britain appear, I look back to the field characters of them described in BWP to see how the latter have held up. The reprise of the 1983 Scilly Green Warbler Phylloscopus nitidus (Brit. Birds 103: 93-99) gave pa...
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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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