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  1. By: Casto, Stanley D. - Texas Ornithological Society.
    Publication info: [Texas] :Texas Ornithological Society,2002.
    Holding Institution: Texas Ornithological Society
    BHL Collections: Expanding Access to Biodiversity Literature
  1. By: Casto, Stanley D.
    Type: Article
    In: The Wilson bulletin.
    Volume: 86
    Issue: 3
    Date: 1974
    Page Range: 272--278
    Publication Info: Columbus, Ohio :Wilson Ornithological Society,1894-