Andersen, David E., U.S. Geological Survey Minnesota Cooperative Fish and Wildlife Research Unit, University of Minnesota, St. Paul, Minnesota 55108, United States

• The Canadian Field-Naturalist Vol. 119 No. 2 (2005) - Articles
  Microhabitat Characteristics of Lapland Longspur, Calcarius lapponicus, Nests at Cape Churchill, Manitoba
  Abstract  PDF