01 August 1933
Comments Letters SIRS,- --In his " Survey of the Rooks in the Midlands," Mr. Roebuck deals (antea, p. 23) with the change in population on breeding. But in only a few lines he tells us that, after May, either a wholesale slaughter in some rookeries or a gradual fall in nu...
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An autumn habit of the Rook

01 August 1928
Comments Main paper is a habit of the Rook {Corvus f. frugitegus) which seems to me to call for some explanation and investigation. My observations have been confined to Cumberland and Westmorland, and it would be interesting to know whether the habit has been observed in ot...
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