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A Black-headed Gull showing both albinism and melanism

01 January 1975 Comments Main paper ...

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...

Birds of the North Atlantic and Newfoundland Banks in July and August, 1950

01 June 1951 Comments Main paper ...

Distraction-Display In The Kentish Plover

01 June 1951 Comments Main paper T H E general form of the reaction patterns of breeding' Kentish Plovers (Leucopolius alexandrinus) to potential predators has been outlined by Selous (1927), but no detailed description has yet appeared in the literature. The behaviour of Kentish Plovers...

Letters

01 June 1951 Comments Letters SIRS,--The Council of the Scottish Ornithologists' Club have pleasure in intimating that a "Rare Birds' Protection" Committee has been formed to work in close conjunction with the Royal Society for the Protection of Birds, and the following have kindly co...

Books Received

01 June 1951 Comments Main paper West Midland Bird Distribution Survey.--Compiled and produced by C. A. Norris. (Published for Private Circulation). A Book of Ducks.--By Phyllis Barclay-Smith. (Penguin Books, 3/6). Animal Evolution.--By G. S. Carter. (Sidgwick & Jackson, 30/-). Zoogeogra...

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