Gutiérrez, Ralph J. | Cal Poly Humboldt

1991	"Using Search Time and Regression to Estimate Abundance of Territorial Spotted Owls" in Ecological Applications
1991	"Age determination of subadult northern spotted owls in northwest California" in Wildlife Society Bulletin
1991	"Ecomorphological relationships of a guild of ground-foraging birds in northern California, USA" in Oecologia
1990	"Genetic Variation and Differentiation in the Spotted Owl (Strix occidentalis)" in The Auk
1990	"Sexual dimorphism in Northern Spotted Owls from northwest California" in Journal of Field Ornithology
1990	"Density of Northern Spotted Owls in Northwest California" in Journal of Wildlife Management
1990	"Distribution, Density, and Age Structure of Spotted Owls on Two Southern California Habitat Islands" in The Condor
1990	"Summer Habitat Ecology of Northern Spotted Owls in Northwestern California" in The Condor
1989	"Hematozoa from the spotted owl" in Journal of Wildlife Diseases
1988	"Snag Preferences of Woodpeckers Foraging in a Northeastern Hardwood Forest" in The Wilson Bulletin
1987	"Evaluation of guild-indicator species for use in resource management" in Environmental Management
1987	"Habitat Use by Mountain Quail in Northern California" in The Condor
1986	"The use of guilds and guild-indicator species for assessing habitat suitability" in *Wildlife 2000: Modelling Habitat Relationships of Terrestrial Vertebrates*
1986	"Primary Cavity-Site Selection by Birds" in The Journal of Wildlife Management
1985	"Juvenile spotted owl dispersal in northwestern California: Preliminary results" in *Ecology and Management of the Spotted Owl in the Pacific Northwest*
1985	Ecology and Management of the Spotted Owl in the Pacific Northwest
1985	"An Overview of Recent Research on the Spotted Owl" in Ecology and Management of the Spotted Owl in the Pacific Northwest
1985	"Information and Research Needs for Spotted Owl Management" in Ecology and Management of the Spotted Owl in the Pacific Northwest
1983	"Genic Variation, Systematic, and Biogeographic Relationships of Some Galliform Birds" in The Auk
1981	"The Coccidia of Quail in the United States" in Journal of Wildlife Diseases

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