Great Horned Owl
Bubo virginianus
Synopsis: Nests throughout the state in a wide variety of habitats.

Habitat Associations:
strongest
Grassland & Fir-Ponderosa Interspersed (360833 acres)
strong
Sitka Spruce-W. Hemlock Maritime Forest (275454 acres)
Mountain Hemlock Montane Forest (277600 acres)
True Fir-Hemlock Montane Forest (1279777 acres)
Shasta Red Fir-Mountain Hemlock Forest (52893 acres)
Ponderosa Pine-dominant Mixed Conifer Forest (414835 acres)
Northeast Mixed Conifer Forest (2988595 acres)
Jeffery Pine Forest/Woodland (26080 acres)
Conifer Woodland on Serpentine Bedrock (48019 acres)
Lodgepole Pine Forest/Woodland (219589 acres)
Subalpine Fir-Lodgepole Pine Montane Conifer (656827 acres)
Douglas Fir-W. Hemlock-W. Red Cedar Forest (5695135 acres)
Douglas Fir-Port Orford Cedar Forest (136984 acres)
Douglas Fir-White Fir/Tanoak-Madrone Mixed Forest (921139 acres)
Douglas Fir/White Oak Forest (192394 acres)
Ponderosa Pine Forest/Woodland (4428724 acres)
Douglas Fir dominant - Mixed Conifer Forest (2022875 acres)
Ponderosa Pine/White Oak Forest & Woodland (140362 acres)
Ponderosa Pine-W. Juniper Woodland (177608 acres)
Ponderosa-Lodgepole Pine on Pumice (1394825 acres)
W. Juniper Woodland (3412275 acres)
Red Alder (106342 acres)
Aspen Groves (1217 acres)
Mixed Conifer/Mixed Deciduous Forest (1176467 acres)
Siskiyou Mtns Mixed Deciduous Forest (169635 acres)
White Oak Forest (114345 acres)
South coast Mixed Forest (2888 acres)
Siskiyou Mtns Shrubland on Serpentine Bedrock (13381 acres)
Mountain Mahogany Shrubland (380 acres)
Sagebrush Steppe (4464952 acres)
Northeast Canyon Grass & Shrubland (399627 acres)
Wet Montane Meadow (2910 acres)
Edges of Recently Cutover/Burnt Forest (1663577 acres)
Urban/Residential (583166 acres)
Edges of Cropland/Pasture/Orchard (6170552 acres)
Western Oregon Riverine Woodland (27749 acres)
Edges of Freshwater Marsh (16327 acres)
some
Manzanita-dominant Shrubland (14271 acres)
Low-Dwarf Sagebrush (213851 acres)
Salt Desert Scrub Shrubland (453409 acres)
Big Sagebrush Shrubland (8667338 acres)
Northeast Modified Grassland (957235 acres)
Coastal Headland Grass & Shrubland (2207 acres)
Lake/Pond Shoreline & Islands (602391 acres)
Streamside/Wetland Shrubland (2171 acres)
lesser
Whitebark-Lodgepole Pine Montane Forest (1323 acres)
Coastal Lodgepole Forest (537 acres)
Douglas Fir-Mixed Deciduous Forest (2934 acres)
Bitterbrush-Big Sagebrush Shrubland (143706 acres)
Subalpine Scattered Trees & Shrubs (61351 acres)


Relative Detectability: Fairly difficult to detect due to nocturnal habits, but many nests are easy to spot during early spring.

Challenge: Determine extent of distribution within most of its range in southern Harney and Malheur Counties.