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...
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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...
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Reviews

01 October 1947
Comments Reviews More Birds of the Day. By Eric Hosking and Cyril Newberry. (Collins, London, 1946). 125 6d. net. The great popularity of t h e authors' Birds of the Day has led t h e m to follow this up with a sequel providing a no less admirable picture gallery of Briti...
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Notes

01 October 1947
Comments Notes ON June 22nd, 1947, in a wood just outside Calais, I had a good view of a male Golden Oriole (Oriolus 0. oriolus), sitting in sunlight on a bare twig of a lombardy poplar, about 30 feet from the ground. It called continuously for about eight minutes. The...
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Notes on Sand-Martins

01 October 1947
Comments Main paper IN view of the recent notes on the display of the Sand-Martin (Riparia r. riparia) by A. Watson (antea, Vol. xxxix, p. 282) and A. S. Thom (antea, p. 20) the following notes may be of interest. My observations were made between 1942 and 1945 along the ri...
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