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  1. By: Rivera-Milán, Frank F
    Type: Article
    In: The Wilson bulletin
    Volume: 107
    Issue: 3
    Date: 1995
    Page Range: 452--462
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Rivera-Milán, Frank F - Ruiz, Carlos R - Cruz, José A - Vázquez, Myrna - Martínez, Alexis J
    Type: Article
    In: The Wilson bulletin
    Volume: 115
    Issue: 1
    Date: 2003
    Page Range: 45--51
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-