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A Black-headed Gull showing both albinism and melanism

01 January 1975 Comments Main paper ...

Early breeding in 1957

01 January 1975 Comments Main paper ...

Editorial

01 January 1975 Comments Editorials ...

Reviews

01 September 1962 Comments Reviews Identification for Ringers: 2. T h e Genus Phylloscopus. By Kenneth Williamson. British Trust for Ornithology, Oxford, 1962. 86 pages; 1 colour and 4 monochrome plates. 7s. There are now about a thousand ringers in Britain. Many of these are trained and l...

Notes

01 September 1962 Comments Notes Shelduck moulting in breeding area.--On 9th July 1961, in an area of extensive fresh grazing marshes in north Kent, I noticed an adult male Shelduck (Tadorna tadornd) swimming along the edge of a large fleet. The knob on its bill had regressed, but it was...

Studies of less familiar birds 119. Great Grey Owl

01 September 1962 Comments Main paper mbulosd) by Oscar Moberg were published in British Birds in 1956 (49: plates 1-3), but the remarkable flight pictures by Hilding Mickelsson and Goran Hansson n o w reproduced o n plates 60 and 61 more than justify the species being included in this series...

Radar films of migration over eastern England

01 September 1962 Comments Main paper Research Laboratories of Marconi's Wireless Telegraphy Co. Ltd., at Great Baddow, Chelmsford, Essex, have taken films of a radar display by time-lapse photography and many of these provide a clear record of bird migration; some were shown at the British O...

Behaviour of Pied Flycatchers during an eclipse of the sun

01 September 1962 Comments Main paper during eclipses of the sun, when light intensities may be lower than those which inhibit feeding and other regular activities on normal evenings. This short paper therefore sets out to record some observations which my wife and I made on a pair of Pied Fl...

Recent reports and News

01 March 1959 Comments News and comment The items here are largely unchecked reports, and must not be regarded as authenticated records. They are selected, on the present writers' judgment alone, from sources generally found to be reliable. Observers' names are usually omitted for reasons of sp...

Letters

01 March 1959 Comments Letters "SUB-SONG" AND "SECONDARY SONG" SIRS,---With regard to the paper by Miss P. M. Piicher and myself on "The nature of sub-song" (antea, vol. li, pp. 509-514), I very much regret to find that we were incorrect in stating that the term "sub-song" was used by ...

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