A conservation assessment on three species of forest owls that occur on national forest lands in the U.S.: Flammulated Owls, Boreal Owls, and Great Gray Owls. Contents: methods and terminology used with studies of habitat associations; current management situation of the 3 species: review of technical knowledge of the 3 species; dynamics of Ponderosa and Jeffrey Pine forests; conservation status of the 3 species of Owls in the U.S.; information needs of the 3 species of Owls; dynamics of Subalpine Forests. Extensive references. Photos, charts and tables.