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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Notes

01 January 1948
Comments Notes WITH reference to my note (antea, Vol. xl, p. 209) concerning the large gathering of Ravens (Corvus c. corax) in Carmarthenshire in March, 1946, I was interested to read Mr. Cadman's note which immediately followed my own. In reply to Mr. Cadman's query ...
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