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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Letters

01 August 1935
Comments Letters SIRS,--There is a remarkable drop in t h e numbers of Swallows, Martins and Swifts in Shropshire this year. Several of t h e usual nesting places are void of birds. One or two pairs of Swifts nest regularly in t h e roof of m y house ; this year there are...
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Notes

01 August 1935
Comments Notes WHEN staying with Capt. J. A. R. Macdonald at Balranald, in North Uist, in spring, 1935, I discovered a large " roost " of Twites (Carduelis f. bensonorum). This was in a plantation of willow trees near Balranald House, about a hundred yards long by fort...
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