
Spanning an area in the southeastern corner Harney County and southwestern Malheur County, this COA encompasses the Trout Creek Mountains, the Oregon Canyon Mountains, and the Blue Mountains. It includes numerous Wilderness Study Areas, such as Disaster Peak, Alvord Desert, Fifteenmile Creek, Mahogany Ridge, Oregon Canyon, Twelvemile Creek, and Willow Creek.
COA ID: 204
Ecoregions
Strategy Habitats

Aspen Woodlands
Aspen woodlands are woodland or forest communities, dominated by aspen trees with a forb, grass, or shrub understory. Aspen woodlands can also occur within conifer forests.

Flowing Water and Riparian Habitats
Flowing Water and Riparian Habitats include all naturally occurring flowing freshwater streams and rivers throughout Oregon as well as the adjacent riparian habitat.

Sagebrush Habitats
Sagebrush habitats include all sagebrush steppe- and shrubland-dominated communities found east of the Cascade Mountains.

Wetlands
Wetlands are covered with water during all or part of the year. Permanently wet habitats include backwater sloughs, oxbow lakes, and marshes, while seasonally wet habitats include seasonal ponds, vernal pools, and wet prairies.
Strategy Species

Alvord Chub (Documented)
Siphateles alvordensis

Black-necked Stilt (Modeled Habitat)
Himantopus mexicanus

California Myotis (Observed)
Myotis californicus

Ferruginous Hawk (Observed)
Buteo regalis

Greater Sage-Grouse (Observed)
Centrocercus urophasianus

Greater Sandhill Crane (Observed)
Antigone canadensis tabida

Hoary Bat (Modeled Habitat)
Lasiurus cinereus

Kit Fox (Modeled Habitat)
Vulpes macrotis

Lahontan Cutthroat Trout (Documented)
Oncorhynchus clarki henshawi

Long-billed Curlew (Modeled Habitat)
Numenius americanus

Long-legged Myotis (Modeled Habitat)
Myotis volans

Pallid Bat (Observed)
Antrozous pallidus

Pygmy Rabbit (Modeled Habitat)
Brachylagus idahoensis

Silver-haired Bat (Observed)
Lasionycteris noctivagans

Swainson’s Hawk (Observed)
Buteo swainsoni

Townsend’s Big-eared Bat (Modeled Habitat)
Corynorhinus townsendii

Burrowing Owl (Modeled Habitat)
Athene cunicularia hypugaea

Western Toad (Modeled Habitat)
Anaxyrus boreas

Willow Flycatcher (Modeled Habitat)
Empidonax traillii