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  1. By: Raptor Research Foundation Symposium on the Management of Birds of Prey, International Meeting Sacramento, Calif.) - Raptor Research Foundation. - United States. Bureau of Land Management. California State Office. - California. Department of Fish and Game. - California Energy Commission. - Hawk Mountain Sanctuary Association. - Institute for Wildlife Studies. - National Audubon Society. - Pacific Gas and Electric Company. - Peregrine Fund (U.S.) - Southern California Edison Company. - San Francisco Zoological Society. - U.S. Fish and Wildlife Service - Western Foundation of Vertebrate Zoology (U.S.)
    Publication info: [Place of publication not identified], Raptor Research Foundation, [1985]
    Holding Institution: Bureau of Land Management
    Subjects: Birds of prey  Conference papers and proceedings  Congresses  Conservation  Ferruginous hawk  Osprey  Owls  Peregrine falcon  Rare birds  Swainson's hawk  Vultures  
  2. 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  
  1. By: Bechard, Marc J - Sarasola, José Hernán - Woodbridge, Brian
    Type: Article
    In: El hornero
    Date: 2006-12-01
    Subjects: body mass  Buteo swainsoni  Fasting  Migration  Swainson's hawk