THE winter of 1939-40 was an abnormally severe one in the British Isles. The weather and its effect on bird life have been summarised by Ticehurst and Witherby (antea Vol. xxxiv, pp. 118 and 142) who describe the devastating " bottle frost " --i.e. the thick coating of ice over everything following the ice storm in late January. This phenomenon, fortunately rare in this country, causes many birds to...

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now