Letter

01 March 1991 Comments Letters The occurrence of 'Russian' Bean Geese in Britain. In reply to Andreas Noeske (Brit. Birds 83: 556-560), we should like to comment as follows: 1. We agree that the Bean Goose Anser fabalis shows clinal variation and that subspecific identification is d...
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Letters

01 August 1952 Comments Letters SIRS,--The Ibis for April 1953 will include a group of papers on Visible Migration (particularly in passerine birds) as observed in various countries. The newly-formed Sub-committee on Visible Migration of the British Trust for Ornithology (see below) fee...
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