Breeding biology of Buzzards at Sedbergh during 1937-67

Since 1937, observations on Buzzards Buteo buteo breeding within ten miles of Sedbergh, Yorkshire, have been recorded by the Sedgwick Society of Sedbergh School. The present paper shows the results of an analysis of these records, supplemented by my own observations during 1962-66. It examines aspects of the breeding biology, in particular territorial behaviour and breeding success in relation to ...