ON March 23rd, 1947, I observed a presumed male Rook (Corvus fmgilegus) attempting coition on the ground with a presumed female of the same species. The rookery was about 50 yards away.ON,April 4th, 1949, at Little Plumstead, Norfolk, two Rooks were present in a meadow. The male approached the other with its wings extended and pointed downwards, the tail spread and head lowered. The female respon...

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