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Letter

01 April 1953 Comments Letters SIRS.--I am trying to collect information about ultra-quiet bird song (sub-song, etc.) and I should be grateful if you would allow me to appeal through the medium of British Birds for any help that other observers can give me. As records on this subject a...

Reviews

01 April 1953 Comments Reviews Cornwall Bird Watching and Preservation Society. Twenty-first Annual Report, 1951. Edited by B. H. Ryves, A. G. Parsons and H. M. Quick. T H I S report follows its usual make-up, with systematic notes split up over 3 sections ; there are also separate ta...

Reviews

01 April 1953 Comments Reviews Mountain Birds. By R. A. H. Coombes. Plates by G. E. Lodge. (Penguin Books, King Penguin series, London, 1952). 4s. 6d. Mountain Birds is written and illustrated with grasp and originality, but is only permitted by the King Penguin format to deal with six...

Secondary song: a tentative classification

01 April 1953 Comments Main paper MY object in this short paper is to suggest a more exact terminology as a preliminary to further investigation of the fascinating problems of those quiet secondary songs which, since Nicholson (1927) drew attention to them, have come to be generally known...

Studies of some species rarely photographed, XLVIII. Little Bittern

01 April 1953 Comments Main paper (Plates 17-24). of these fine photographs of the Little Bittern (Ixobrychus minutus) were taken in Holland, the others in the Camargue--two localities which give some indication of the breeding range of the species close to Britain, in spite of the fact t...

The birds of Bardsey Island in 1952

01 April 1953 Comments Main paper IT is remarkable that an island as well situated as Bardsey should be so little known to ornithologists. It is now 40 years since Dr. N. F. Ticehurst paid his visits from June 12th to June 25th and from September 3rd to September 22nd, 1913, the latter wi...

Recovery of Marked Birds

01 November 1939 Comments Main paper Oundle (Northants), 12.1.39 [62 m. W.]. Great Ouse Estuary (Nor folk), 21.1.39 [25 m. W.]. Saltmills (Wexford), 5.2.39. Kalinin, West Russia, 15.9.38 [56Â°52'N., 36Â°E.]. Mouth of R. Welland (Lines), 24.12.38 [76 m. NW.].Saltash (Cornwall), 12.1.39 [9...

Birds seen on an autumn and a spring Atlantic Crossing

01 November 1939 Comments Main paper IN the autumn of 1938 and the spring of 1935 I made voyages across the Atlantic. The first one was in the "Europa" from Cherbourg to New York and the secondin the "Columbie" from Guadeloupe in the Leeward Isles to Plymouth. Several hours counting of birds...

Observation on Swallows and House-Martins at the Nest

01 November 1939 Comments Main paper RECENT studies of the parental care by African Hinindinidae and Swifts have suggested that, in addition to specific differences in the share taken by the sexes, certain rhythms of the behaviour may be specific, especially the favourite duration of the in...

Letter

01 November 1939 Comments Letters SIRS,--The extension of the breeding range of the Lapwing {Vanellus vanellus) to Fokstumyren referred to in my previous letter (antea, p. 118) is certainly recent. Neither H. Tho. L. Schaanning in 1917 nor H. L. Ldvenskiold in 1929 and 1930 found the bird...

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Letter

Reviews

Reviews

Secondary song: a tentative classification

Studies of some species rarely photographed, XLVIII. Little Bittern

The birds of Bardsey Island in 1952

Recovery of Marked Birds

Birds seen on an autumn and a spring Atlantic Crossing

Observation on Swallows and House-Martins at the Nest

Letter

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