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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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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