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01 February 1962
Comments Editorials Cold weather migrations.--The British Trust for Ornithology and "British Birds are analysing the unusually impressive cold -weather migrations of the week following 28th December 1961. All records of movements, arrivals and departures at this period are o...
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01 July 1954
Comments Editorials Large passage of Black Terns.--In 1946, 1948, 1949 and 1950 interesting spring passages of Black Terns (Chlidonias niger) were noted in the British Isles, and the records were summarized and discussed in British Birds (antea, vol. xl, pp. 24-26, 93 and 37...
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