dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Johns, Brian W
    Type: Article
    In: The Wilson bulletin
    Volume: 105
    Issue: 2
    Date: 1993
    Page Range: 256--264
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Kuyt, Ernie - Johns, Brian W
    Type: Article
    In: The Canadian field-naturalist
    Volume: 106
    Issue: 4
    Date: 1992
    Page Range: 507--510
    Publication Info: Ottawa Ottawa Field-Naturalists' Club