dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Jansen, Justin J F J - Roe, Richard S
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 136
    Issue: 1
    Date: 2016
    Page Range: 28--38
    Publication Info: London, British Ornithologists' Club, 1893-
  2. By: Jansen, Justin J F J - Roe, Richard S
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 133
    Issue: 1
    Date: 2013
    Page Range: 59--67
    Publication Info: London, British Ornithologists' Club, 1893-