Price, Michael H. H., Raincoast Conservation Foundation. PO Box 2429, Sidney, British Columbia V8L 3Y3, Canada

• The Canadian Field-Naturalist Vol. 121 No. 3 (2007) - Notes
  A River Otter's, Lontra canadensis, Capture of a Double-crested Cormorant, Phalacrocorax auritus, in British Columbia's Gulf Island Waters
  Abstract  PDF