THE following information has been gathered as the result of analyses of 206 pellets of the Kestrel (Fako t. timmnculus) collected at regular intervals between July 1st, 1944, and March 24th, 1945, from a roost in an old shed and are believed, from feathers found beneath the roost, to be very largely from the male bird. The immediate vicinity of the roost in the Dearne valley (Yorks., W. Riding) c...

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