Gutiérrez, Ralph J. |
1990 |
"Sexual dimorphism in Northern Spotted Owls from northwest California" in Journal of Field Ornithology |
Gutiérrez, Ralph J. |
1990 |
"Distribution, Density, and Age Structure of Spotted Owls on Two Southern California Habitat Islands" in The Condor |
Gutiérrez, Ralph J. |
1990 |
"Summer Habitat Ecology of Northern Spotted Owls in Northwestern California" in The Condor |
Gutiérrez, Ralph J. |
1991 |
"Age determination of subadult northern spotted owls in northwest California" in Wildlife Society Bulletin |
Gutiérrez, Ralph J. |
1991 |
"Using Search Time and Regression to Estimate Abundance of Territorial Spotted Owls" in Ecological Applications |
Gutiérrez, Ralph J. |
1991 |
"Ecomorphological relationships of a guild of ground-foraging birds in northern California, USA" in Oecologia |
Gutiérrez, Ralph J. |
1992 |
"Habitat associations of California spotted owls in the central Sierra Nevada" in Journal of Wildlife Management |
Gutiérrez, Ralph J. |
1992 |
"Spotted Owl Roost and Nest Site Selection in Northwestern California" in Journal of Wildlife Management |
Gutiérrez, Ralph J. |
1992 |
"Habitat Use and Population Characteristics of the White-Tailed Ptarmigan in the Sierra Nevada, California" in The Condor |
Gutiérrez, Ralph J. |
1992 |
"Foraging Habitat and Home-Range Characteristics of California Spotted Owls in the Sierra Nevada" in The Condor |
Gutiérrez, Ralph J. |
1992 |
The California Spotted Owl: A Technical Assessment of its Current Status |
Gutiérrez, Ralph J. |
1994 |
"Review of Ecology and Management of the Mourning Dove" in The Auk |
Gutiérrez, Ralph J. |
1994 |
"Ectoparasites of the spotted owl" in Journal of Raptor Research |
Gutiérrez, Ralph J. |
1994 |
"Spotted owl metapopulation dynamics in southern California" in Journal of Animal Ecology |
Gutiérrez, Ralph J. |
1994 |
"Conservation Planning: Lessons from the Spotted Owl" in Sustainable Ecological Systems: Implementing an Ecological Approach to Land Management |
Gutiérrez, Ralph J. |
1994 |
"Changes in the Distribution and Abundance of Spotted Owls during the Past Century" in Studies in Avian Biology |
Gutiérrez, Ralph J. |
1995 |
"Habitat Configuration around Spotted Owl Sites in Northwestern California" in Ornithological Applications |
Gutiérrez, Ralph J. |
1995 |
"Spotted Owl (Strix occidentalis)" in The Birds of North America |
Gutiérrez, Ralph J. |
1995 |
"Breeding habitat of the Mexican spotted owl in the Tularosa Mountains, New Mexico" in Condor |
Gutiérrez, Ralph J. |
1996 |
"Adaptive significance of growth patterns in juvenile spotted owls" in Canadian Journal of Zoology |
Gutiérrez, Ralph J. |
1996 |
"Demographic characteristics and trends of northern spotted owls in northwestern California" in Studies in Avian Biology |
Gutiérrez, Ralph J. |
1996 |
"Feasibility of a random quadrat study design to estimate changes in density of Mexican spotted owls" in USDA Forest Service Research Papers |
Gutiérrez, Ralph J. |
1996 |
"History of demographic studies in the management of the Northern Spotted Owl" in Studies in Avian Biology |
Gutiérrez, Ralph J. |
1996 |
"Intermountain movement by Mexican spotted owls (Strix occidentalis lucida)" in Great Basin Naturalist |
Gutiérrez, Ralph J. |
1996 |
"Mexican Spotted Owl Habitat Characteristics in Zion National Park" in Journal of Raptor Research |