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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...

Reviews

01 March 1938 Comments Reviews Report on the Birds of Warwickshire, Worcestershire and S. Staffordshire, 1936. Prepared under the direction of the Birmingham Bird Club. is. 6d. (H. G. Alexander, 144, Oak Tree Lane, Birmingham, 29.) T H I S , t h e third annual, Report is an advance on...

Notes

01 March 1938 Comments Notes I HAVE paid particular attention to the singing of Crossbills (Loxia c. curvirostra) for some years, on and off, and I find that the song can be divided into four main varieties. In attempting to describe these songs below, I use the two sound descriptio...

Recovery of marked birds

01 March 1938 Comments Main paper Longtown (Cumb), 1.3.33, b y Stamford Bridge W. Bell. 27.12.37.25.11.36. 5.1.37. 26.12.36. 30.11.36. 13.12.36. 26.10.35. 27.11.36. 30.12.36. 9.11.36. 14.12.35. 14.12.36. 28.12.35. 28.11.36. 19.11.37. 18.11.35. 19.11.36. 10.12.36. 27.12.35. 13.12.35. 24.9...

The breeding behaviour of Temminck's Stint

01 March 1938 Comments Main paper (Plate 12.) IN view of the recent attempt of Temminck's Stint (Calidris temminckii) to breed in Scotland (antea Vol. XXVIII, p. 97) and of the general paucity of information in regard to the breeding biology of this species, some notes which the authors ...

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