Letters

01 August 1997 Comments Letters Steven Gregory (Brit. Birds 90: 150-151) has made three interesting points about hybridisation between Ruddy Ducks Oxyura jamaicensis and White-headed Ducks O. leucocephala. First, such hybridisation need not be a disaster, but could increase the adapt...
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Letters

01 December 1960 Comments Letters International ornithological congresses Sirs,--In his review of the Proceedings of the XII International Ornithological Congress {Brit. Birds, 53: 447-452) your reviewer makes some most relevant observations concerning the present nature of these meetings...
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