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  1. Cliff-nesting raptor survey of the Sioux District, Custer National Forest : 1994 / submitted by Paul Hendricks and Keith H. Dueholm; a report to USDA Forest Service, Custer National Forest.
    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.
    Contributed by: Montana State Library (archive.org)
    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  
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  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  
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