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...
Read More

Letters

01 December 1975 Comments Letters The origin of British Aquatic Warblers In his letter (Brit. Birds, 67: 443-444), Dr J. T. R. Sharrock made the hypothesis that the autumn records of Acrocephalus paludicola in Britain and Ireland are probably to be explained by a reverse migrat...
Read More

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now