Report on the effect of the severe winter of 1939-40 on bird life in the area within 20 miles of London
01 July 1941
Main paper
THIS report is intended to supplement the " Report on the effect of the severe winter of 1939-40 on bird-life in the British Isles " which has already appeared in this journal (antea, Vol. xxxiv, pp. 118, 142), and details which were given there, such as ...
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