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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Letters

01 February 1938
Comments Letters SIRS,--In reply to Mr. Lockley's letter under this heading (antea, pp. 278-9), I had two main points t o make in m y report on Skokholm Island, namely :-- 1. That owing t o its depredations on Storm-Petrels, the Little Owl should, if possible, be prevente...
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