01 April 1959
Comments Letters CROSSBILLS AT FAIR ISLE, 1956 SIRS,--May I point out some inaccuracies in the data concerning Crossbills (Loxia curvirostra) at Fair Isle in 1956, as given by Mr. F. R. Smith in his interesting paper "The Crossbillinvasion of 1956 and the subsequent breed...
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