Mountain Bluebird
Sialia currucoides
Synopsis: Nests in tree cavities and nest boxes in rangelands, grasslands, clearcuts, and burned woods mostly east of the Cascade crest. Most notable are the record from northern Morrow County and the scattering of records west of the Cascade crest.

Habitat Associations:
strongest
Ponderosa Pine-W. Juniper Woodland (201479 acres)
Subalpine Scattered Trees & Shrubs (64516 acres)
Edges of Recently Cutover/Burnt Forest (742910 acres)
strong
Ponderosa Pine-dominant Mixed Conifer Forest (427287 acres)
Subalpine Fir-Lodgepole Pine Montane Conifer (699878 acres)
Ponderosa Pine Forest/Woodland (4671390 acres)
Ponderosa-Lodgepole Pine on Pumice (1502766 acres)
W. Juniper Woodland (3644299 acres)
Aspen Groves (22267 acres)
Mountain Mahogany Shrubland (1378 acres)
Northeast Canyon Grass & Shrubland (399425 acres)
Grassland & Fir-Ponderosa Interspersed (381045 acres)
some
Sagebrush Steppe (3000105 acres)
Big Sagebrush Shrubland (9160497 acres)
lesser
Northeast Mixed Conifer Forest (3059511 acres)
Lodgepole Pine Forest/Woodland (256439 acres)
Siskiyou Mtns Mixed Deciduous Forest (2152 acres)
Edges of Cropland/Pasture/Orchard (1835941 acres)

Relative Detectability: Fairly easy to spot and easy to confirm nesting.

Challenge: Determine if the species nests more widely than shown in the southern Siskiyou Mountains, as well as southern Harney and central-northern Malheur Counties.