Geographic boundaries of the COAs were updated for the 2026 State Wildlife Action Plan and the associated COA profiles are intended to provide additional information. Content of each COA profile is being refined and will be updated to reflect current conditions when feasible. Please help us by submitting information on Local Conservation Actions, Plans, or Potential Partners to: OCS.revision@odfw.oregon.gov.
Located in Southeastern Malheur County, this western extent of this COA includes High Peak and Battle Mountain; the eastern edge is found close to Louse Creek; its northern extent is approximately five miles north of Big Antelope Creek – before its confluence with the Owyhee River; and the southern border includes the upper reaches of Big Antelope Creek. The COA includes the Owyhee River Canyon Wilderness Study Area and the Upper West Little Owyhee Wilderness Study Area.
Ecoregions
Key Habitats
Natural Lakes
Natural lakes are relatively large bodies of freshwater surrounded by land that were formed through geological processes, such as glacial scouring, tectonic movements, volcanic activity and river meander cutoffs. In Oregon, natural lakes are defined as standing water bodies larger than 20 acres, including some seasonal lakes. Depth is not a reference for characterization of …
Sagebrush Habitats
Sagebrush habitats include all sagebrush steppe- and shrubland-dominated communities found east of the Cascade Mountains.
Species of Greatest Conservation Need
American Avocet (Modeled)
Recurvirostra americana
American Goshawk (Modeled)
Astur atricapillus
American Pika (Modeled)
Ochotona princeps
American White Pelican (Modeled)
Pelecanus erythrorhynchos
Black Rosy-finch (Modeled)
Leucosticte atrata
Black Tern (Modeled)
Chlidonias niger
Bobolink (Modeled)
Dolichonyx oryzivorus
Brewer’s Sparrow (Observed and Modeled)
Spizella breweri breweri
California Myotis (Modeled)
Myotis californicus
Canyon Bat (Modeled)
Parastrellus hesperus
Chipping Sparrow (Observed and Modeled)
Spizella passerina
Columbia Spotted Frog (Modeled)
Rana luteiventris
Common Nighthawk (Observed and Modeled)
Chordeiles minor
Desert Horned Lizard (Modeled)
Phrynosoma platyrhinos
Ferruginous Hawk (Observed and Modeled)
Buteo regalis
Fringed Myotis (Modeled)
Myotis thysanodes
Golden Eagle (Observed and Modeled)
Aquila chrysaetos
Great Basin Collared Lizard (Modeled)
Crotaphytus bicinctores
Greater Sage-Grouse (Observed and Modeled)
Centrocercus urophasianus
Hoary Bat (Modeled)
Lasiurus cinereus
Kit Fox (Modeled)
Vulpes macrotis
Lewis’s Woodpecker (Modeled)
Melanerpes lewis
Little Brown Myotis (Modeled)
Myotis lucifugus
Loggerhead Shrike (Observed and Modeled)
Lanius ludovicianus
Long-billed Curlew (Observed and Modeled)
Numenius americanus
Long-legged Myotis (Observed and Modeled)
Myotis volans
Long-nosed Leopard Lizard (Modeled)
Gambelia wislizeni
North American Porcupine (Modeled)
Erethizon dorsatum
Olive-sided Flycatcher (Observed and Modeled)
Contopus cooperi
Pallid Bat (Modeled)
Antrozous pallidus
Pygmy Rabbit (Observed and Modeled)
Brachylagus idahoensis
Sagebrush Sparrow (Observed)
Artemisiospiza nevadensis
Short-eared Owl (Observed and Modeled)
Asio flammeus flammeus
Silver-haired Bat (Modeled)
Lasionycteris noctivagans
Snowy Egret (Modeled)
Egretta thula brewsteri
Spotted Bat (Modeled)
Euderma maculatum
Swainson’s Hawk (Observed and Modeled)
Buteo swainsoni
Townsend’s Big-eared Bat (Modeled)
Corynorhinus townsendii
Western Bluebird (Modeled)
Sialia mexicana occidentalis
Western Burrowing Owl (Modeled)
Athene cunicularia hypugaea
Western Grebe (Modeled)
Aechmophorus occidentalis
Western Long-eared Myotis (Observed and Modeled)
Myotis evotis
Western Meadowlark (Observed and Modeled)
Sturnella neglecta
Western Rattlesnake (Modeled)
Crotalus oreganus oreganus
Western Small-footed Myotis (Observed and Modeled)
Myotis ciliolabrum
Western Snowy Plover (Modeled)
Anarhynchus nivosus nivosus
Western Toad (Modeled)
Anaxyrus boreas
White-tailed Jackrabbit (Observed and Modeled)
Lepus townsendii
Willet (Modeled)
Tringa semipalmata inornata
Willow Flycatcher (Observed and Modeled)
Empidonax traillii
Wilson’s Phalarope (Observed and Modeled)
Phalaropus tricolor
Yuma Myotis (Modeled)
Myotis yumanensis