Letters

01 May 1971
Comments Letters Feather wear in Guillemots In view of R. J. Kennedy's note on feather wear in Guillemots Uria aalge (Brit. Birds, 63: 34-36) and the follow-up in this issue (pages 229-230), I should like to point out that a good many of the auks involved in the disaster ...
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Notes

01 May 1971
Comments Notes Display-flight of Sparrowhawks I was interested in the note by R. A. Hume and P. L. Garvey on the possible display-flight of four Sparrowhawks Accipiter nisus on 25th January 1970 (Brit Birds, 63: 132). The unusual features were the number involved and th...
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Recent reports

01 May 1971
Comments News and comment These are largely unchecked reports, not authenticated records The last summary (Brit, Birds, 64: 135-136) covered the rarer species and most of the unseasonal summer visitors in December 1970 and January 1971. This one deals with the remaining reports in...
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News and Comment

01 May 1971
Comments News and comment Birds of Estuaries Enquiry This joint project of the British Trust for Ornithology and the Royal Society for the Protection of Birds was outlined in 'News and comment' last year (Brit. Birds, 63: 183). The first report of the pilot survey, covering the p...
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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...
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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...
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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...
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