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  1. By: Robbins, Mark B - Schulenberg, Thomas S - Lane, Daniel F - Cuervo, Andrés M - Binford, Laurence C - Nyari, Arpad S - Combe, Mariela - Wehtje, Walter
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 133
    Issue: 1
    Date: 2013
    Page Range: 31--51
    Publication Info: London, British Ornithologists' Club, 1893-