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The index of heron population

01 March 1950 Comments Main paper The number of heronries on which reports for 1949 were received at the Edward Grey Institute was 162, or 16 more than in the previous year. Of these 117 were in England, 9 in Wales, 17 in Scotland and 19 in Ireland. We are indebted to 79 informants of who...

The Behaviour Of Corn-Crakes

01 March 1950 Comments Main paper MASON DURING the past few years the writer, with the help of friends, has carried out a series of experiments with Corn-Crakes {Crex crex) The experiments consist in calling up Corn-Crakes to a stuffed dummy by imitating the " crake-crake " song with a p...

On The Courtship And Social Displays Of Three Species Of Auk

01 March 1950 Comments Main paper CONDER DURING the summer of 1947 I had opportunities of watching the breeding displays of the Razorbill (Aha torda), the Guillemot (Una aalge), and the Puffin (Fratercula arctica) on Skokholm, Pembrokeshire. The displays of the three species occurred chi...

Letters

01 March 1946 Comments Letters SIRS,--Witts reference to your comments on t h e note o n . a Robin feeding a fledgling Blackbird (antea, Vol. xxxviii, p, 355), there is anotheroccurrence of a Robin feeding a brood of young Song-Thrushes mentioned, and illustrated, with three photograph...

Reviews

01 March 1946 Comments Reviews Somerset Archcsol. & Nat. Hist. Soc, Ornithological Section. Report on Somerset Birds, 1944. T H I S contains many valuable records and others of purely local interest. Blagdon Reservoir has been well watched and provides good notes on duck, some in consi...

Notes

01 March 1946 Comments Notes O N March ijth, 1945, I was in a convoy moving slowly south through the'Irish Sea. The day was brilliantly fine, the sea quite calm. In the morning the Welsh Hills were visible, but otherwise we saw neither coast. There was no fog, however. There was a v...

Obituary: Charles Bethune Moffat. (1859-1945)

01 March 1946 Comments Obituaries Betlmne Moffat, to the great regret of his many friends, died on October 14th, 1945. He was born in the Isle of Man on January16th, 1859, being the eldest of the seven children of the late James and Annie Moffat. When Charles was about a year and a half o...

Studies of some species Rarely Photographed. Il. The Lesser White-fronted Goose

01 March 1946 Comments Main paper IL THE LESSER WHITE-FRONTED GOOSE Photographed by PETER SCOTT AND GAVIN MAXWELL.* (Plates 11-14). the general intention of this series is naturally to provide illustrations of wild birds photographed under natural conditions, an exception is macle in the...

Lesser White-fronted Geese on the Severn

01 March 1946 Comments Main paper ON December 16th, 1945, there were approximately two thousand geese on the saltings at the New Grounds on the Severn, near Berkeley, Gloucestershire. These were examined almost bird by bird, mostly in good light with occasional sunshine, by four observers...

Fertility and Mortality in the Nest of Swallows

01 March 1946 Comments Main paper IN 1944, as part of a study of the breeding biology of Swallows (Hirundo r. rustica) nesting in the barracks occupied by British prisoners of war at EichstÃ¤tt, Bavaria, a record was kept of all nests. Birds were ringed with rings supplied by Dr. E. Str...

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