Notes

01 November 1963
Comments Notes IT has long been known that, in the Common Crossbill (Loxia curvirostra) the mandibles cross indifferently on either side in different individuals. Recently, however, for a special purpose, I desired to ascertain whether or not individuals having the man...
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Notes

01 August 1929
Comments Notes ON May 21st, 1929, from 11.30 a.m. to 6 p.m., I observed at close quarters a pair of Choughs (Pyrrhocorax pyrrhocorax) at nest on the north Cornish coast. Both parents were feeding nestlings, which were about eight days old. The weather was calm and soft...
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