Letters

01 December 1988
Comments Letters The identity of 'Mystery photograph 97'. In the light of 25 years' experience in studying Aythya hybrids, I do not consider that the bird in mystery photograph 97 {Brit Birds 77: plate 254; 78: plate 19; 81: plate 343) is a Tufted Duck A. fuligula X Po...
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Notes

01 April 1951
Comments Notes T H E following notes, made on a colony of Rooks (Corvus frugilegus) in a Cambridge street during March, 1949, have been prompted by Mr. C. M. Ogilvie's article on this subject (antea, pp. 1-5). This rookery, comprising only five pairs, was a new one, pr...
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