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News and comment

01 June 1973 Comments News and comment Towards realistic penalties? During the last two or three years there have been too many occasions when it has been necessary to deplore an apparent upsurge of interest in egg collecting resulting in the robbing of nests of rarer species, notab...

Letters

01 June 1973 Comments Letters Wallcreeper on migration in the Netherlands Dr H. Lohrl's statement (Brit. Birds, 63 : 167) that the Wallcreeper Tichodroma muraria is non-migratory has been challenged by David Elias, H. G. Alexander, Guy Mountfort and K. D. Smith (Brit. Birds...

Notes

01 June 1973 Comments Notes Aggression by female Buzzard at nest I was intrigued by the recent note from G. A. Williams and D. Coan on aggression by a female Buzzard Buteo buteo {Brit. Birds, 66: 31-32). O n 26th April 1944, in a large stand of mature Scots pines on a Lak...

Studies of Sparrowhawks

01 June 1973 Comments Main paper Roy Blewitt's photographs are the first of the Sparrowhawk Accipiter nisus to be published in British Birds since the long series which accompanied J. H. Owen's remarkable studies during 1916-36. They show well the uniform upperparts (plates 41a, 42b, ...

The ecology and conservation of the Red Kite in Wales

01 June 1973 Comments Main paper ...

Letter

01 September 1946 Comments Letters SIRS,--In t h e course of a study of t h e breeding population of Oystercatchers (Hmmatopus ostralegms occidenialis) on the islands of Skomer and Skokholm this year we have ringed a number of chicks with coloured rings. Though the main purpose of this has...

Notes

01 September 1946 Comments Notes THE habit of sun-bathing by passerine birds.is discussed in a note by T. S. Williams (antea, p. 152). As indicated in the Editorial comment thereto this is probably commoner than at first sight appears to be the case. To the list of species given I can a...

Studies of some species rarely photographed. VI. The Griffon Vulture

01 September 1946 Comments Main paper (Plates 31-35). THE Griffon Vulture (Gyps f.fulvus), of which species a single immature example was captured near Cork in 1843 and others have been reliably reported as seen on two occasions in England, has in recent years become almost, if not quite, ext...

Some further Notes from the North Atlantic

01 September 1946 Comments Main paper (with chart). SINCE the publication in 1928 of the writer's " Bird Notes from the North Atlantic " (Brit. Birds, Vol. xxii, pp. 122-133) and of "An Ornithological Transect of the North Atlantic" (Brit. Birds, Vol. xxiv, pp. 266-274), much has been done to...

Do juvenile birds survive less than adults

01 September 1946 Comments Main paper FARNER (1945} has estimated the age and survival of the American Robin (Turdus migratorius) from ringing (banding) returns, by the method used by the present writer for various British species (Lack, 1943). Farner's conclusions agree closely with mine exc...

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News and comment

Letters

Notes

Studies of Sparrowhawks

The ecology and conservation of the Red Kite in Wales

Letter

Notes

Studies of some species rarely photographed. VI. The Griffon Vulture

Some further Notes from the North Atlantic

Do juvenile birds survive less than adults

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