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 south of John Day, along the Silvies River and including the town of Seneca. Area encompasses important wetland and riparian habitats in the valley.
Ecoregions
Key Habitats
Grasslands
Grasslands include a variety of upland grass-dominated habitats, such as upland prairies, coastal bluffs, and montane grasslands.
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 …
Ponderosa Pine Woodlands
Ponderosa pine woodlands are common in Oregon’s eastside ecoregions. While dominated by ponderosa pine, these woodlands 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. Known for their open forest structure, these woodlands generally have fewer …
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)
Recurvirostra americana
American Goshawk (Observed and Modeled)
Astur atricapillus
American White Pelican (Observed)
Pelecanus erythrorhynchos
Arrow-leaf Thelypody (Observed)
Thelypodium eucosmum
Black-backed Woodpecker (Observed and Modeled)
Picoides arcticus
Black Tern (Observed and Modeled)
Chlidonias niger
Bobolink (Observed and Modeled)
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)
Hydroprogne caspia
Chipping Sparrow (Observed and Modeled)
Spizella passerina
Columbia Spotted Frog (Observed and Modeled)
Rana luteiventris
Common Nighthawk (Observed and Modeled)
Chordeiles minor
Cusick’s Lupine (Observed)
Lupinus lepidus var. cusickii
Desert Horned Lizard (Modeled)
Phrynosoma platyrhinos
Ferruginous Hawk (Observed and Modeled)
Buteo regalis
Flammulated Owl (Observed and Modeled)
Psiloscops flammeolus
Franklin’s Gull (Observed)
Leucophaeus pipixcan
Fringed Myotis (Observed and Modeled)
Myotis thysanodes
Golden Eagle (Observed and Modeled)
Aquila chrysaetos
Great Gray Owl (Observed)
Strix nebulosa
Greater Sage-Grouse (Observed)
Centrocercus urophasianus
Greater Sandhill Crane (Observed)
Antigone canadensis tabida
Hoary Bat (Observed and Modeled)
Lasiurus cinereus
Hutton Spring Tui Chub (Modeled)
Siphateles bicolor oregonensis
Lewis’s Woodpecker (Observed and 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 (Observed and Modeled)
Myotis volans
Long-nosed Leopard Lizard (Modeled)
Gambelia wislizeni
North American Porcupine (Observed and Modeled)
Erethizon dorsatum
Olive-sided Flycatcher (Observed and Modeled)
Contopus cooperi
Oregon Spotted Frog (Observed)
Rana pretiosa
Pacific Marten (Modeled)
Martes caurina
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 (Observed and Modeled)
Lasionycteris noctivagans
Spotted Bat (Modeled)
Euderma maculatum
Swainson’s Hawk (Observed and Modeled)
Buteo swainsoni
Townsend’s Big-eared Bat (Modeled)
Corynorhinus townsendii
Trumpeter Swan (Observed)
Cygnus buccinator
Western Bluebird (Observed and Modeled)
Sialia mexicana occidentalis
Western Bumble Bee (Observed)
Bombus occidentalis
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 Small-footed Myotis (Observed and Modeled)
Myotis ciliolabrum
Western Toad (Modeled)
Anaxyrus boreas
Westslope Cutthroat Trout (Observed)
Oncorhynchus clarki lewisi
White-breasted Nuthatch (Pacific) (Modeled)
Sitta carolinensis aculeata
White-headed Woodpecker (Observed and 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
Wolverine (Observed and Modeled)
Gulo gulo
Yuma Myotis (Observed and Modeled)
Myotis yumanensis