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  1. By: Rivera, J H Vega - Haas, Carola A - Rappole, J H - Mcshea, W J
    Type: Article
    In: The Wilson bulletin
    Volume: 112
    Issue: 2
    Date: 2000
    Page Range: 233--237
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Rivera, J H Vega - Mcshea, W J - Rappole, J H - Haas, Carola A
    Type: Article
    In: The Wilson bulletin
    Volume: 110
    Issue: 3
    Date: 1998
    Page Range: 384--392
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-