Letter

01 September 1982 Comments Letters Mortality of Sparrowhawks and Kestrels The findings of Newton et al. (Brit. Birds 75: 195-204) are similar in most respects to ours (Keymer et al. 1981). We wish to comment, however, on some important differences, especially regarding...
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Letter

01 August 1982 Comments Letters Tail-wagging by wheatears While the pronounced tail-wagging of the Isabelline Wheatear Oenanthe isabellinus is a 'helpful pointer' towards identification (Brit. Birds 74: 443), this habit is also typical of the-- admittedly smaller and daintier...
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