Letter

01 December 1997
Comments Letters In his letter on the hybridisation of Ruddy Ducks Oxyura jamaicensis and Whiteheaded Ducks O. leucocephala, Dr David Harper {Brit. Birds 90: 325-327) unfortunately chose to refer to the expansion into Europe of Syrian Woodpeckers Dendrocopos syriacus i...
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Letters

01 March 1957
Comments Letters T H E BIRDS OF GLOUCESTERSHIRE SIRS,--Material is being- collected for a small book on the birds of Gloucestershire by H. H. Davis, C. M. Swaine and myself; we have already made considerable progress in assembling infprmation. W e would be grateful for fu...
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