The Index of Heron Population, 1944

01 May 1945
Comments Main paper The number of reports on sites occupied by Herons in 1944, which were received at the Edward Grey Institute, was i n . Of these 77 were in England, 6 in Wales, 8 in Scotland and 20 in Ireland. We are indebted to 55 informants, of whom a considerable numbe...
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