Sort By:
  1. Cliff-nesting raptor survey of the Sioux District, Custer National Forest : 1994 /
    By: Hendricks, P. - Dueholm, Keith H. - Custer National Forest (Agency : U.S.) - Montana Natural Heritage Program.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c1995.
    Holding Institution: Montana State Library (
    Subjects: Birds of prey  Custer National Forest (Mont. and S.D.)  Ferruginous hawk  Golden eagle  Goshawk  Merlin (Bird)  Nests  Prairie falcon  Surveys  Swainson's hawk  
    View Book
  1. A re-evaluation of evidence raises questions about the fasting migration hypothesis for Swainson's Hawk (Buteo swainsoni)
    By: Bechard,Marc J. - Sarasola,Jose H. - Woodbridge,Brian
    Type: Article
    In: El hornero
    Date: 2006-12-01
    Subjects: body mass  Buteo swainsoni  Fasting  Migration  Swainson's hawk  
    View Article (External)