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 February 1975
Comments Letters Bill colour of juvenile Arctic Terns Graham Bundy {Brit. Birds, 67: 246-247) stated that the bills of juvenile Arctic Terns Sterna paradisaea on their breeding grounds in Shetland have definite red or orange at the base, this being at variance ...
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