"Avian Use of Campground and Noncampgound Sites in Riparian Zones" in The Journal of Wildlife Management

"Sexual dimorphism in Northern Spotted Owls from northwest California" in Journal of Field Ornithology

"Marten Use of Successional Forest Stages during Winter in North-Central Washington" in Northwestern Naturalist

Population Ecology of the Northern Spotted Owl (Strix Occidentalis Caurina) in Northern California: Preliminary Results, 1989

"Spotted Owl Roost and Nest Site Selection in Northwestern California" in The Journal of Wildlife Management

"Thermal Ecology and Ecological Energetics of California Spotted Owls" in The Condor

"Demography of the California Spotted Owl in Northeastern California" in The Condor

"Ecology of the California spotted owl: Breeding dispersal and associations with forest stand characteristics in northeastern California" in Colorado State University Theses & Dissertations

"Population Dynamics of the California Spotted Owl (Strix occidentalis occidentalis): A Meta-Analysis" in Ornithological Monographs

Scientific Evaluation of the Status of the Northern Spotted Owl

"Site Occupancy, Apparent Survival, and Reproduction of California Spotted Owls in Relation to Forest Stand Characteristics" in The Journal of Wildlife Management

Ecology of the California Spotted Owl on the Lassen National Forest, 1990-2004; Final Report

"Conservation of the Northern Spotted Owl under the Northwest Forest Plan" in Conservation Biology

"Breeding Dispersal In the California Spotted Owl" in The Condor

"Population Dynamics of Spotted Owls in the Sierra Nevada, California" in Wildlife Monographs

"Hierarchical multi-scale occupancy estimation for monitoring wildlife populations" in The Journal of Wildlife Management

"The effects of habitat, climate, and Barred Owls on long-term demography of Northern Spotted Owls" in The Condor

"A statistically rigorous sampling design to integrate avian monitoring and management within Bird Conservation Regions" in PLoS One

"Flammulated owl distribution and habitat associations during the breeding season in the western United States" in Forest Ecology and Management