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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...

The Black-tailed Godwit in the British Isles, 1890-1937

01 September 1939 Comments Main paper IT has been known for some years that the Black-tailed Godwit (Limosa limosa) was occurring in the British Isles more often and in larger parties than formerly. At the suggestion of Dr. N. F. Ticehurst, and with his constant help, an attempt has been made...

Observation on Sand-Martins at the Nest

01 September 1939 Comments Main paper in the Sand-Martin (Riparia r. riparia) is said to be " by both sexes but positive data scanty" (F. C. R. Jourdain, 1938)* ; males had been found on eggs by Stoner {1936), but the nature of their participation in the brooding was not ascertained. We had a...

The Destruction of Buds of Trees and Shrubs by Birds

01 September 1939 Comments Main paper (Plate 2.) THE destruction of the buds of trees and shrubs by birds during late autumn, winter and spring, is a perennial source of complaint by fruit-powers and gardeners, but it has never received the attention from the ornithological point of view tha...

Letters

01 September 1939 Comments Letters SIRS,--In "Some Notes on t h e Diurnal Song of Birds " (antea, p . 4) Mr. Marples states t h a t on t h e average t h e Blackbird, a t Inverness, begins t o sing in the morning 74 minutes earlier than Blackbirds do i n Hampshire, t h a t is, after correct...

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