Letters

01 April 1975 Comments Letters Effects of agricultural change on birds I have found the correspondence between Derek Barber, and Dr R. K. Murton and N. J. Westwood {Brit. Birds, 67: 395-396, 485-487), of considerable interest, for I strongly suspect that hedgerows have,...
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Letters

01 November 1966 Comments Letters Fault-bars as a means of ageing birds Sirs,---Last year I read a letter by C. J. Mead on the ageing of birds by means of fault-bars (Brit. Birds, 58: 227-228), in which he referred to the work of W. E. Glegg who noted fault-bars on the tails of 737 bird s...
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