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 April 1967 Comments Letters Eruptions of Great Tits and other species Sirs,--I was interested in Dr. C. M. Perrins's paper on the effect of the seed crop of the beech Fagus sylvatka on the populations and movements of the Great Tit Partis major (Brit, Birds, 59: 419-432). To strengt...
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