Area extends from the Willamette River area upstream to Estacada and includes floodplain, tributaries, and upland habitats.
COA ID: 065
The West Cascades ecoregion extends from east of the Cascade Mountains summit to the foothills of the Willamette, Umpqua, and Rogue Valleys, and spans the entire length of the state of Oregon. It is largely dominated by conifer forests, moving into alpine parklands and dwarf shrubs at higher elevations.
The Willamette Valley ecoregion is bounded on the west by the Coast Range and on the east by the Cascade Range. This long mostly level alluvial plain has some scattered areas of low basalt, and contrasts with productive farmland and large urban areas. It has the fastest-growing human population in the state resulting in challenges due to land-use changes.
Grasslands include a variety of upland grass-dominated habitats, such as upland prairies, coastal bluffs, and montane grasslands.
Late Successional Mixed Conifer Forests
Late successional mixed conifer forests provide a multi-layered tree canopy, including large-diameter trees, shade-tolerant tree species in the understory, and a high volume of dead wood, such as snags and logs.
Oak woodlands are characterized by an open canopy dominated by Oregon white oak.
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.
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.
Acorn Woodpecker (Observed)
American Pika (Modeled Habitat)
California Myotis (Observed)
Cascade Torrent Salamander (Observed)
Cascades Frog (Modeled Habitat)
Chinook Salmon (Documented)
Chipping Sparrow (Observed)
Clouded Salamander (Modeled Habitat)
Coastal Cutthroat Trout (Documented)
Oncorhynchus clarki clarki
Coastal Tailed Frog (Modeled Habitat)
Coho Salmon (Documented)
Common Nighthawk (Observed)
Cope’s Giant Salamander (Modeled Habitat)
Fisher (Modeled Habitat)
Flammulated Owl (Modeled Habitat)
Fringed Myotis (Observed)
Great Gray Owl (Modeled Habitat)
Harlequin Duck (Modeled Habitat)
Hoary Bat (Modeled Habitat)
Lewis’s Woodpecker (Observed)
Long-legged Myotis (Modeled Habitat)
Nelson’s Checkermallow (Observed)
Northern Goshawk (Modeled Habitat)
Accipiter gentilis atricapillus
Northern Spotted Owl (Observed)
Strix occidentalis caurina
Olive-sided Flycatcher (Observed)
Oregon Slender Salamander (Observed)
Oregon Vesper Sparrow (Observed)
Pooecetes gramineus affinis
Purple Martin (Observed)
Progne subis arboricola
Red Tree Vole (Modeled Habitat)
Short-eared Owl (Modeled Habitat)
Asio flammeus flammeus
Silver-haired Bat (Observed)
Steelhead / Rainbow / Redband Trout (Documented)
Oncorhynchus mykiss ssp
Townsend’s Big-eared Bat (Observed)
Western Bluebird (Observed)
Western Gray Squirrel (Modeled Habitat)
Western Meadowlark (Observed)
Western Painted Turtle (Observed)
Chrysemys picta bellii
Northwestern Pond Turtle (Observed)
Western Toad (Modeled Habitat)
White-breasted Nuthatch (Observed)
Sitta carolinensis aculeata
White Rock Larkspur (Observed)
Willow Flycatcher (Observed)
Yellow-breasted Chat (Observed)
Icteria virens auricollis