Letter

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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Autumn habit of the Rooks

01 January 1929
Comments Main paper THE aerial performances of Rooks (Corvus f. frugilegus) in autumn, as described by the Rev. E. U. Savage (antea, p. 57), have, I venture to suggest, a territorial significance. The visits of these birds to their nesting place or home are always attended b...
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