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.
Encompassing Warner Valley and associated wetlands, this COA stretches from just above Blue Joint Lake in the north to the Oregon/Nevada border in the south, and includes the Rahilly-Gravelly Research Natural Area, the Fish Creek Rim Research Natural Area, parts of the Hart Mountain National Antelope Refuge, and the Warner Wetlands Area Of Critical Environmental Concern.
Ecoregions
Key Habitats
Aspen Woodlands
Aspen (Populus tremuloides) woodlands are woodland and/or forest communities dominated by aspen trees with a forb, grass, and/or shrub understory. Aspen woodlands also occur within conifer forests.
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 …
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.
Species of Greatest Conservation Need
American Avocet (Observed and Modeled)
Recurvirostra americana
American Goshawk (Observed and Modeled)
Astur atricapillus
American Pika (Observed and Modeled)
Ochotona princeps
American White Pelican (Observed and Modeled)
Pelecanus erythrorhynchos
Black-backed Woodpecker (Observed and Modeled)
Picoides arcticus
Black Rosy-finch (Modeled)
Leucosticte atrata
Black Tern (Observed and Modeled)
Chlidonias niger
Bobolink (Observed)
Dolichonyx oryzivorus
Brewer’s Sparrow (Observed and Modeled)
Spizella breweri breweri
California Myotis (Observed and Modeled)
Myotis californicus
Canyon Bat (Modeled)
Parastrellus hesperus
Caspian Tern (Observed and Modeled)
Hydroprogne caspia
Chipping Sparrow (Observed and Modeled)
Spizella passerina
Columbia Spotted Frog (Observed and Modeled)
Rana luteiventris
Common Nighthawk (Observed and Modeled)
Chordeiles minor
Desert Horned Lizard (Modeled)
Phrynosoma platyrhinos
Ferruginous Hawk (Observed and Modeled)
Buteo regalis
Flammulated Owl (Modeled)
Psiloscops flammeolus
Franklin’s Gull (Observed)
Leucophaeus pipixcan
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
Greater Sandhill Crane (Observed)
Antigone canadensis tabida
Hoary Bat (Observed and Modeled)
Lasiurus cinereus
Hutton Spring Tui Chub (Modeled)
Siphateles bicolor oregonensis
Kit Fox (Modeled)
Vulpes macrotis
Lewis’s Woodpecker (Modeled)
Melanerpes lewis
Little Brown Myotis (Observed and Modeled)
Myotis lucifugus
Loggerhead Shrike (Observed and Modeled)
Lanius ludovicianus
Long-billed Curlew (Observed and Modeled)
Numenius americanus
Long-legged Myotis (Modeled)
Myotis volans
Long-nosed Leopard Lizard (Observed and Modeled)
Gambelia wislizeni
Monarch Butterfly (Observed)
Danaus plexippus
North American Porcupine (Modeled)
Erethizon dorsatum
Olive-sided Flycatcher (Observed and Modeled)
Contopus cooperi
Oregon Floater Mussel (Observed)
Anodonta oregonensis
Pallid Bat (Observed and Modeled)
Antrozous pallidus
Pinyon Jay (Observed)
Gymnorhinus cyanocephalus
Pygmy Rabbit (Observed and Modeled)
Brachylagus idahoensis
Sagebrush Sparrow (Observed)
Artemisiospiza nevadensis
Short-eared Owl (Observed and Modeled)
Asio flammeus flammeus
Silver-haired Bat (Observed and Modeled)
Lasionycteris noctivagans
Snowy Egret (Observed and Modeled)
Egretta thula brewsteri
Spotted Bat (Modeled)
Euderma maculatum
Swainson’s Hawk (Modeled)
Buteo swainsoni
Townsend’s Big-eared Bat (Modeled)
Corynorhinus townsendii
Trumpeter Swan (Observed and Modeled)
Cygnus buccinator
Warner Sucker (Observed and Modeled)
Catostomus warnerensis
Western Bluebird (Observed and Modeled)
Sialia mexicana occidentalis
Western Burrowing Owl (Modeled)
Athene cunicularia hypugaea
Western Grebe (Observed and 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 Ridged Mussel (Observed)
Gonidea angulata
Western Small-footed Myotis (Observed and Modeled)
Myotis ciliolabrum
Western Snowy Plover (Observed and Modeled)
Anarhynchus nivosus nivosus
Western Toad (Modeled)
Anaxyrus boreas
White-breasted Nuthatch (Pacific) (Modeled)
Sitta carolinensis aculeata
White-headed Woodpecker (Modeled)
Dryobates albolarvatus albolarvatus
White-tailed Jackrabbit (Modeled)
Lepus townsendii
Willet (Observed and Modeled)
Tringa semipalmata inornata
Willow Flycatcher (Observed and Modeled)
Empidonax traillii
Wilson’s Phalarope (Observed and Modeled)
Phalaropus tricolor
Winged Floater Mussel (Observed)
Anodonta nuttalliana
Yuma Myotis (Observed and Modeled)
Myotis yumanensis