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The index of Heron Population, 1942

01 April 1943 Comments Main paper THE number of heronries concerning which reports for 1942 have been received at the Edward Grey Institute was only 90, of which only 2 were in Scotland, only 4 in Wales and none in south-east England. Major A. W. Boyd again collected statistics for nearly...

The Index of Heron Population, 1940

01 February 1941 Comments Main paper on 117 heronries in which the nests were counted in 1940 have been received at the Edward Grey Institute. As had been anticipated, this number is considerably less than in recent years and, unfortunately, the sample is not nearly so well distributed over...

Letter

01 December 1940 Comments Letters SIRS,--For some years past, Mr. Charles Oldham has regularly published observations on t h e midsummer movements of Swallows, House- and Sand-Martins and Swifts at t h e Tring and Elstree Reservoirs in t h e Transactions of the Herts Nat. Hist. Soc. An id...

Notes

01 June 1939 Comments Notes THE recent note about Blackbirds (Turius m. merula) feeding on small fish (antea, Vol. XXXII, p. 397) recalls to me that six or seven years ago I watched a pair take repeatedly small tadpoles from a shallow bay of the Little Exe, above Dulverton. Both bir...

The Flocking of immature Herons

01 April 1939 Comments Main paper IT has been suggested to the writer that some notes which he took chiefly in 1935, concerning summer flocking of the Common Heron (Ardea c. cinerea) should be put on record. They would have been published before, if it had not been intended to collect fur...

The migratory status of the Heron in Great Britain

01 January 1939 Comments Main paper THE Common Heron (Ardea c. cinerea) is a species whose movements within the British Isles are easy to observe, but extraordinarily difficult to interpret. This probably accounts for the great paucity of material available for any attempt to reduce them to...

The index of Heron population, 1937

01 April 1938 Comments Main paper FOR the fourth year in succession* we were able in 1937 to keep accurate record of the fortunes of a large part of the breeding population of Herons {Ardea c. cinerea). It can hardly be said that the results have been dramatic. In England and Wales as a w...

An Index of Heron Population

01 April 1935 Comments Main paper WHEN the " British Birds Census of Heronries Report " was published in 1929 it was recommended that another complete census of British heronries should be taken not later than about 1940, if the full advantages of the 1928 Census were to be reaped. On the...

Letters

01 September 1934 Comments Letters SIRS,--With reference to the extremely interesting article by Lieut.Col. and Mrs. B. H . Ryves on the breeding-habits of the Corn-Bunting as observed in north Cornwall (Vol. X X V I I I . , pp. 2-26) and Mr. John Walpole-Bond's detailed study of the Susse...