Northern Harrier
Circus cyaneus
Synopsis: Widespread breeder in grasslands east of the Cascades, but more local in the Willamette Valley and along the coast. Most notable are the records from the Coast Range and coastal Oregon. Nests on the ground.

Habitat Associations:
strongest
Salt Desert Scrub Shrubland (571586 acres)
Wet Montane Meadow (2098 acres)
Edges of Freshwater Marsh (19950 acres)
strong
Sagebrush Steppe (5061917 acres)
Low-Dwarf Sagebrush (332713 acres)
Northeast Modified Grassland (940771 acres)
Seasonally Wet Playa (121704 acres)
Edges of Cropland/Pasture/Orchard (5862176 acres)
Streamside/Wetland Shrubland (904 acres)
some
Big Sagebrush Shrubland (11565465 acres)
Subalpine Grassland (68199 acres)
Grassland & Fir-Ponderosa Interspersed (274824 acres)
Edges of Recently Cutover/Burnt Forest (798860 acres)
Coastal Dunes & Ponds with Widely Scattered Shrubs/Trees (32168 acres)
Alpine Rock & Snowfield with Widely Scattered Shrubs (137839 acres)
Lake/Pond Shoreline & Islands (663217 acres)
lesser
Northeast Canyon Grass & Shrubland (264011 acres)

Relative Detectability: Individuals are easy to spot but nest is difficult to locate.

Challenge: Improve knowledge of extent of breeding in shrubland of central Oregon.