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Mystery photographs: Little Gull

01 June 1980 Comments Main paper The compound effect of slender bill, rounded head-profile and relatively large eye gives last month's mystery gull (plates 132 & 133, page 227, repeated here at reduced size) a jizz which instantly narrows the choice to one of the smalles...

European news

01 June 1980 Comments Main paper This is the seventh of these six-monthly reviews of ornithological events in Europe. Records awaiting formal verification by national rarity committees are indicated by an asterisk(*). Unless otherwise stated, all records refer to 1979 and to single in...

The European atlas: owls

01 June 1980 Comments Main paper Before starting the fieldwork for its continent-wide mapping project in 1985-88, the European Ornithological Atlas Committee is producing provisional breeding bird distribution maps of various species, based on fieldwork for national atlas schemes. Pre...

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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