Cooperative Fish and Wildlife Research Units Program: Oregon
Education, Research and Technical Assistance for Managing Our Natural Resources

Anthony, RG, ED Forsman, AB Franklin, DR Anderson, KP Burnham, GC White, CJ Schwarz, JD Nichols, JE Hines, GS Olson, SH Ackers, S Andrews, BL Biswell, PC Carlson, LV Diller, KM Dugger, KE Fehring, TL Fleming, RP Gerhardt, SA Gremel, RJ Gutiérrez, PJ Happe, DR Herter, JM Higley, RB Horn, LL Irwin, PJ Loschl, JA Reid, SS Sovern. 2006. Status and trends in demography of Northern Spotted Owls, 1985-2003. Wildlife Monographs 163:1-47.