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  1. By: Macdonald, M A
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 100
    Date: 1980
    Page Range: 170--172
    Publication Info: London, British Ornithologists' Club, 1893-
  2. By: Taylor, I. R. - Macdonald, M A
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 99
    Date: 1979
    Page Range: 29--30
    Publication Info: London, British Ornithologists' Club, 1893-
  3. By: Macdonald, M A - Newby, J E
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 91
    Date: 1971
    Page Range: 92--93
    Publication Info: London, British Ornithologists' Club, 1893-