Partners in Flight North American Landbird Conservation Plan (Rich et al. 2004) Guide to the PIF Population Estimates Database (Blancher et al. 2007) The Association of Fish and Wildlife Agencies Partners in Flight Landbird Reports (Rosenberg 2004) Partners in Flight Species Assessment Database (version 2005) PIF Handbook on Species Assessment (Panjabi et al. 2005) Setting numerical population objectives for priority landbird species (Rosenberg and Blancher 2005) A review of the population estimation approach of the North American Landbird Conservation Plan (Thogmartin et al. 2006) Partners in Flight Rocky Mountain Bird Observatory