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The future of BHL is uncertain, but hopeful. Learn more.
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  1. By: Mitchell, A D - Kirkconnell, Arturo - Wells, L. J.
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 120
    Date: 2000
    Page Range: 103--112
    Publication Info: London, British Ornithologists' Club, 1893-