Bewick's Swans in the British Isles in the winters of 1954-55 and 1955-56
01 December 1959
Main paper
results of the periods of severe frost in the winters of 1954-55 and 1955-56 were the unprecedented numbers of Bewick's Swans (Cygnus columbianus bewickii) which occurred in Great Britain. The influx in early 1956 was particularly spectacular, and the bir...
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