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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...

The Index of Heron population, 1950

01 April 1951 Comments Main paper (Edward Grey Institute, Department of Zoological Field Studies, Oxford). T H E number of heronries on which reports for 1950 were received at the Edward Grey Institute was 207, or 45 more than in the previous year. Of these 150 were in England, 17 each in...

Fair Isle Bird Observatory. Notes on selected species, Autumn, 1950

01 April 1951 Comments Main paper KENNETH WILLIAMSON (Director). T H I S contribution follows similar lines to the one published (antea, vol. xliii, p p . 48-52), dealing with the 1949 season: the aim is not to give a complete record of the appearance of scarce migrants, but to extract fr...

The behaviour of some birds on the British List in their winter quarters or on migration in Southern Rhodesia

01 April 1951 Comments Main paper T H E S E notes are intended to extend information available in The Handbook of British Birds. Notes on the warblers and Luscinia luscinia mostly refer to a tobacco farm (1,000 acres, 4,500 feet a.s.l.) 60 miles north-west of Salisbury, in Mashonaland. Th...

Some notes on the Long-eared Owl

01 June 1941 Comments Main paper (Plate i.) does not appear to be a great deal of literature concerning the nocturnal habits of the Long-eared Owl (Asio o. otus), and, to a large extent, this can be understood as observations during the hours of darkness are difficult, and sometimes impo...

Notes

01 June 1941 Comments Notes IT appears from the Handbook of British Birds that no display other than the song-flight has been recorded for the Greenfinch (Chloris ch. Moris). On May 2nd, 1941, my attention was drawn to a shrubbery in Staffordshire frequented by Greenfinches by a no...

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Letters

Reviews

Notes

The aerial dawn chorus of the Swallow

The use of extruded plastic for colour marking

The Index of Heron population, 1950

Fair Isle Bird Observatory. Notes on selected species, Autumn, 1950

The behaviour of some birds on the British List in their winter quarters or on migration in Southern Rhodesia

Some notes on the Long-eared Owl

Notes

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