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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...

Notes

01 June 1938 Comments Notes As I have not been able to find any record of the HouseSparrow (Passer A. domesticus) excavating a nesting hole in rotten wood, such an occurrence seems to be worth recording. Both the cock and the hen excavated, both birds sometimes being in the confine...

Notes on the Land-Rail

01 June 1938 Comments Main paper IN Cumberland the Land-Rail (Crex crex) nests commonly in the clover-hay and meadow-hay fields ; sometimes in young plantations where the trees have not yet smothered the grass, and occasionally in the waste land of small bushes and rough grass about coun...

Some observations on the breeding-habits of birds

01 June 1938 Comments Main paper THE following data regarding some of our commoner birds were obtained in mid-Gloucestershire during the years 1930-33. The district consisted of fields divided by hedges and stone walls, and was mainly a grazing one, but there was some arable land and inc...

The spring migration of the Swallow over Europe

01 June 1938 Comments Main paper (Plate I.) THE accompanying map, showing the isochronal lines for the northward movement of the Swallow (Himndo r. rustica) oyer Europe in spring, is the first of a small series of species studies, which it is proposed to make on roughly the same lines. T...

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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

Notes

Notes on the Land-Rail

Some observations on the breeding-habits of birds

The spring migration of the Swallow over Europe

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