Letters

01 April 1986 Comments Letters Escapes? Some years ago, Derek Goodwin and the late Derrick England published some long comments on the problem for birdwatchers of escaped cage birds (Brit. Birds49: 339-349; 67: 177-197). Since those papers, a new generation of birders has appeared, ...
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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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