Letters

01 December 1984
Comments Letters Tufted Duck carrying young. In connection with the recent notes by Montse Carbonell and Stephen B. Edwards (Brit. Birds 77: 318-319), I should like to draw attention to a previous published account by my husband, the late Dr Jeffery Harrison, of a fema...
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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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