This COA is located in the northeast quarter of Malheur County and abuts the Crowley COA to the west. It encompasses Owyhee Lake and River from just east of Mitchell Butte (near the city of Adrian) south to Greeley Bar. Continuing south and east, the COA includes the rugged landscape of Mahogany Mountain, Jordan Craters, Spring Mountain, and Table Mountain as well as the Cow Lakes before ending at the Lava Bends and Jorden Creek at its southern terminus.
COA ID: 186
Northern Basin and Range
The Northern Basin and Range ecoregion covers the very large southeastern portion of the state, from Burns south to the Nevada border and from the Christmas Valley east to Idaho. It is largely a high elevation desert-like area dominated by sagebrush communities and habitats.
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.
Natural lakes are relatively large bodies of freshwater surrounded by land. For the purposes of the Conservation Strategy, natural lakes are defined as standing water bodies larger than 20 acres, including some seasonal lakes.
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 include all sagebrush steppe- and shrubland-dominated communities found east of the Cascade Mountains.
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.
American White Pelican (Observed)
Black-necked Stilt (Observed)
Burrowing Owl (Observed)
Athene cunicularia hypugaea
California Myotis (Observed)
Caspian Tern (Observed)
Columbia Spotted Frog (Observed)
Cronquist’s Stickseed (Observed)
Ferruginous Hawk (Observed)
Great Basin Redband Trout (Documented)
Oncorhynchus mykiss newberrii
Greater Sage-Grouse (Observed)
Greater Sandhill Crane (Observed)
Antigone canadensis tabida
Grimy Ivesia (Observed)
Ivesia rhypara var. rhypara
Hoary Bat (Modeled Habitat)
Long-billed Curlew (Observed)
Long-legged Myotis (Modeled Habitat)
Mountain Quail (Modeled Habitat)
Mulford’s Milkvetch (Observed)
Owyhee Clover (Observed)
Packard’s Mentzelia (Observed)
Pallid Bat (Observed)
Peregrine Falcon (Observed)
Falco peregrinus anatum
Pygmy Rabbit (Observed)
Silver-haired Bat (Observed)
Smooth Mentzelia (Observed)
Spotted Bat (Observed)
Sterile Milkvetch (Observed)
Astragalus cusickii var. sterilis
Swainson’s Hawk (Observed)
Townsend’s Big-eared Bat (Observed)
Trumpeter Swan (Observed)
Western Toad (Observed)
Willow Flycatcher (Observed)