Request for information

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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