![Photo is needed for this Strategy feature.](/media/PhotoRequest-for-OCS-COA.jpg)
In the southwest corner of the ecoregion just west of Antelope.
COA ID: 152
Ecoregions
![Lower Grande Ronde](/media/COA_158_Lower-Grande-Ronde_Keith-Kohl_ODFW-e1449164887753-255x185.jpg)
Blue Mountains
Located in NE Oregon, the Blue Mountains ecoregion is the largest ecoregion in the state. It provides a diverse complex of mountain ranges, valleys, and plateaus that extend beyond Oregon into the states of Idaho and Washington.
![](/media/COA_155_Rock-Creek-Butter-Creek-Grasslands_Steve-Cherry_ODFW-247x185.jpg)
Columbia Plateau
The Columbia Plateau ecoregion was shaped by cataclysmic floods and large deposits of wind-borne silt and sand earlier in its geological history. It is dominated by a rolling landscape of arid lowlands dissected by several important rivers, and extends from the eastern slopes of the Cascades Mountains, south and east from the Columbia River to the Blue Mountains.
Strategy Habitats
![Grassland Strategy Habitat](/media/Grasslands_West-Eugene-Wetlands-e1450248034479-255x185.jpg)
Grasslands
Grasslands include a variety of upland grass-dominated habitats, such as upland prairies, coastal bluffs, and montane grasslands.
![Ponderosa Pine Woodlands Strategy Habitat, within the Ochoco National Forest, in Oregon.](/media/Ponderosa-Pine-Woodland_USFS-e1449604613913-255x185.jpg)
Ponderosa Pine Woodlands
Ponderosa pine woodlands are dominated by ponderosa pine, but may also have lodgepole pine, western juniper, aspen, western larch, grand fir, Douglas-fir, mountain mahogany, incense cedar, sugar pine, or white fir, depending on ecoregion and site conditions. Their understories are variable combinations of shrubs, herbaceous plants, and grasses.
![](/media/COA_004_Necanicum-River_Herman-Biederbeck-ODFW-2-247x185.jpg)
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](/media/Sagebrush-Habitats_Martyne-Reesman-ODFW-e1450249460331-255x185.jpg)
Sagebrush Habitats
Sagebrush habitats include all sagebrush steppe- and shrubland-dominated communities found east of the Cascade Mountains.
![Ducks on a wetland in Ladd Marsh Wildlife Area, Oregon](/media/Wetland_Cathy-Nowak_ODFW-e1449605097558-255x185.jpg)
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
![](/media/Brewers-sparrow_USFWS_460-255x185.jpg)
Brewer’s Sparrow (Observed)
Spizella breweri breweri
![](/media/Burrowing-Owl_USFWS_460-255x185.jpg)
Burrowing Owl (Observed)
Athene cunicularia hypugaea
![California Myotis on tree](/media/California-myotis-Michael-Durham-255x170.jpg)
California Myotis (Modeled Habitat)
Myotis californicus
![](/media/Common-nighthawk_Nick-Myatt_640-255x185.jpg)
Common Nighthawk (Observed)
Chordeiles minor
![](/media/Ferruginous-hawk_USFWS_460-255x185.jpg)
Ferruginous Hawk (Observed)
Buteo regalis
![Grasshopper Sparrow](/media/Grasshopper-Sparrow_Aron-Flanders_USFWS_980-e1462805171702-225x185.jpg)
Grasshopper Sparrow (Observed)
Ammodramus savannarum perpallidus
![](/media/Hoary-bat_Wikemedia_460-255x185.jpg)
Hoary Bat (Modeled Habitat)
Lasiurus cinereus
![](/media/Lewis-Woodpecker_Dave-Herr_NPS_460-255x185.jpg)
Lewis’s Woodpecker (Modeled Habitat)
Melanerpes lewis
![](/media/Loggerhead_shrike_Keith_Kohl_460-255x185.jpg)
Loggerhead Shrike (Observed)
Lanius ludovicianus
![](/media/Long-billed-cerlew_IE-Flickr_Dave-Budeau_460-255x185.jpg)
Long-billed Curlew (Modeled Habitat)
Numenius americanus
![](/media/long-legged-Myotis-Michael-Durham-255x170.jpg)
Long-legged Myotis (Modeled Habitat)
Myotis volans
![](/media/Northern-sagebrush-lizard_Keith-Kohl_460-255x185.jpg)
Northern Sagebrush Lizard (Modeled Habitat)
Sceloporus graciosus graciosus
![](/media/pallid-bat-Michael-Durham-255x170.jpg)
Pallid Bat (Modeled Habitat)
Antrozous pallidus
![Sage Sparrow](/media/Sage-Sparrow_Dominic-Sherony_Wikimedia_980-255x185.jpg)
Sagebrush Sparrow (Observed)
Artemisiospiza nevadensis
![](/media/Silver-haired-bat_Roger-Rodriguez-255x185.jpg)
Silver-haired Bat (Modeled Habitat)
Lasionycteris noctivagans
![](/media/steelhead-rainbow-redband-247x185.jpg)
Steelhead / Rainbow / Redband Trout (Documented)
Oncorhynchus mykiss ssp
![](/media/Swainsons-Hawk_Tom-Koerner_USFWS_460-255x185.jpg)
Swainson’s Hawk (Observed)
Buteo swainsoni
![](/media/Western-toad_460-255x185.jpg)
Western Toad (Modeled Habitat)
Anaxyrus boreas