dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Nevin, Owen T. - Gilbert, Barrie
    Type: Article
    In: The Canadian field-naturalist
    Volume: 119
    Issue: 3
    Date: 2005-07-01
    Page Range: 449--450
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Pulliam, Ronald - Gilbert, Barrie - Klopfer, Peter Hubert - Mcdonald, Dennis - Mcdonald, Linda - Millikan, George
    Type: Article
    In: The Wilson bulletin
    Volume: 84
    Issue: 1
    Date: 1972
    Page Range: 77--89
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-