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Mystery photographs

01 October 1977 Comments Main paper Until the differences between Long-eared Asio otus and Short-eared Owls A. flammeus in the field were analysed by A. H. Davis and Robin Prytherch [Brit. Birds 69: 281-287, plate 49), flight identification of these species was seldom attempted, or a day...

Personalities. 9. Jeffery Boswall

01 October 1977 Comments Main paper My first encounter with Jeffery Boswall was at a meeting of the Junior Bird Recorders' Club in London's Caxton Hall in early September 1948, and resulted in my taking him to the bomb-devastated Cripplegate-Moorgate area to see his first Black Redstarts...

Report on rare birds in Great Britain in 1976

01 October 1977 Comments Main paper This is the nineteenth annual report of the Rarities Committee. Details of the composition of the committee and other matters relating to its work during the year have already been published (Brit. Birds 70: 306- 308). After the phenomenal procession o...

Breeding biology of Buzzards at Sedbergh during 1937-67

01 September 1971 Comments Main paper 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 o...

Studies of less familiar birds 167: Golden Oriole

01 September 1971 Comments Main paper Plates 61-63 The 28 species of Old World orioles (Oriolidae) form a remarkably homogenous group of arboreal passerines of wide distribution over Africa, Eurasia and Australasia. Systematically they are placed between the drongos (Dicruridae) and the crows...

North American waterfowl in Europe

01 September 1971 Comments Main paper The natural occurrence of North American birds in Europe is a wellestablished fact substantiated by recoveries of ringed birds. The transatlantic crossings of waders and passerines have been excellently treated by Nisbet (1959, 1963) and, more recently, b...

Rook numbers in Nottinghamshire over 35 year

01 September 1971 Comments Main paper frugilegus in Nottinghamshire in 1962 and compares the figures with those from four other censuses in the previous 34 years. The first counts were made by A. Roebuck in 1928 (Roebuck 1933) and again in 1932. There was then a wartime census by A. I. H. Doc...

Studies of less familiar birds 129. Cetti's Warbler

01 September 1971 Comments Main paper C E T T I ' S W A R B L E R Cettia cetti, named after an 18th century Italian Jesuit zoologist (see Macleod 1954), is unique in various ways. Apart from being the sole species in a subgenus characterised by long, soft plumage and a very rounded tail with ...

A study of Swift weights

01 September 1971 Comments Main paper N E A R L Y A L L OF 2,546 Swifts Apus apus caught at Rye Meads Sewage Purification Works, Hertfordshire, in the late spring and summer of 1962 (845) and 1963 (1,701) were weighed and examined before being ringed and released. The pattern of the weights w...

Residues of Organo-chlorine insecticides in a Golden Eagle

01 September 1971 Comments Main paper Nature Conservancy Unit of Grouse Department of Agriculture and Fisheries and Moorland Ecology for Scotland, Scientific Services O N 12TH A P R I L 1963 a female Golden Eagle Aquila chrysaetos was found dead on the ground about 2 5 o metres from a pine-tr...

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