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Letters

01 September 1953 Comments Letters SIRS,--In the Vosges mountains in France during the first World War earthenware pots especially designed for sparrows to nest in were to be seen on the walls of a great many farms and I have no doubt the practice still persists. These served a double purp...

Reviews

01 September 1953 Comments Reviews Rare and Extinct Birds of Britain. By Ralph Whitlock. (Phcenix House, London, 1953). 21s. I t is open to question whether a satisfactory book can be written on the subject of our rare and extinct birds. To contribute anything original to knowledge in this...

Notes

01 September 1953 Comments Notes Nesting of Curlew on river shingle-beds.--Of late years Curlews (Numenius arquata) have been nesting in increasing numbers on inland pastures and meadows in Northumberland, whereas formerly they were birds of the moorlands, nesting on heather-clad hills ...

Field observations on the biology of the Marsh Tit

01 September 1953 Comments Main paper MAY (1949) asserts that as pair-formation behaviour patterns " a r e not related to the sex act, which is the criterion for 'sexual behaviour' " , pair-formation is not sexual behaviour, at any rate in the Willow Warbler (Phylloscopus trochilus) which he...

Studies of some species rarely photographed. LI. Arctic Warbler

01 September 1953 Comments Main paper (Plates 48-55) P. O. SWANBERG obtained these unique photographs of the littlestudied Arctic Warbler (Phylloscopus borealis) in 1952 in Swedish Lapland which is the north-western outpost in this bird's breeding-range. The typical race, often known as Evers...

Letters

01 April 1951 Comments Letters SIRS,--Mr. K. E. L. Simmons's letter (antea, p. 40) on this subject draws attention to reactions in trapped birds intermediate between remaining immobile on the open hand and the extreme, trance-like "death feigning". A further case may be of interest. On...

Reviews

01 April 1951 Comments Reviews Notes on the Birds of Warwickshire by C. A. Norris. (Cornish Brothers Ltd., Birmingham, 1947). 8s. 6d. THE only previous account of the birds of this county was that published by R. F. Tomes in the Victoria History of Warwickshire in 1904. The present lit...

Notes

01 April 1951 Comments Notes T H E following notes, made on a colony of Rooks (Corvus frugilegus) in a Cambridge street during March, 1949, have been prompted by Mr. C. M. Ogilvie's article on this subject (antea, pp. 1-5). This rookery, comprising only five pairs, was a new one, pr...

The aerial dawn chorus of the Swallow

01 April 1951 Comments Main paper (i) Over a number of years one of us (A. V. B.), has ringed migrants at Jupille, near Liege, between Aug. 20th and Sep. 15th, always arriving at the trap before dawn. W h e n the weather is fine, with a cloudless sky and little or no wind, a song-chorus o...

The use of extruded plastic for colour marking

01 April 1951 Comments Main paper F O R an investigation of the dispersal of juvenile gulls an economical method of mass colour marking was needed. The standard celluloid ring proved expensive, limited in size and difficult to attach. Enquiries were made from manufacturers as to the possi...

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Letters

Reviews

Notes

Field observations on the biology of the Marsh Tit

Studies of some species rarely photographed. LI. Arctic Warbler

Letters

Reviews

Notes

The aerial dawn chorus of the Swallow

The use of extruded plastic for colour marking

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