This area is a transition zone at the nexus of three ecoregions and as a results has a high diversity of species in unique assemblages.
COA ID: 124
The East Cascade ecoregion extends from the Cascade Mountains’ summit east to the warmer, drier high desert and down the length of the state. This ecoregion varies dramatically from its cool, moist border with the West Cascades ecoregion to its dry eastern border, where it meets sagebrush desert landscapes.
The Klamath Mountains ecoregion covers much of southwestern Oregon, including the Umpqua Mountains, Siskiyou Mountains, and interior valleys and foothills between these and the Cascade Range. The Rogue watershed has the largest population of any coastal watershed in Oregon (Jackson County, Josephine County, and a portion of Curry County). Several popular and scenic rivers run …
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.
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.
Natural lakes are relatively large bodies of freshwater surrounded by land. For the purposes of the Conservation Strategy, natural lakes are defined as standing water bodies larger than 20 acres, including some seasonal lakes.
Oak woodlands are characterized by an open canopy dominated by Oregon white oak.
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.
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)
Pacific Marten (Observed)
American Pika (Modeled Habitat)
American Three-toed Woodpecker (Modeled Habitat)
Black-backed Woodpecker (Modeled Habitat)
California Mountain Kingsnake (Observed)
California Myotis (Observed)
Cascades Frog (Modeled Habitat)
Chinook Salmon (Documented)
Clouded Salamander (Modeled Habitat)
Coastal Cutthroat Trout (Documented)
Oncorhynchus clarki clarki
Coastal Tailed Frog (Modeled Habitat)
Coho Salmon (Documented)
Common Nighthawk (Observed)
Flammulated Owl (Observed)
Fringed Myotis (Observed)
Foothill Yellow-legged Frog (Observed)
Gentner’s Fritillary (Observed)
Great Gray Owl (Observed)
Greater Sandhill Crane (Observed)
Antigone canadensis tabida
Hoary Bat (Observed)
Lewis’s Woodpecker (Observed)
Long-legged Myotis (Observed)
Mardon Skipper Butterfly (Observed)
Monarch Butterfly (Observed)
Northern Goshawk (Observed)
Accipiter gentilis atricapillus
Northern Red-legged Frog (Observed)
Northern Spotted Owl (Observed)
Strix occidentalis caurina
Olive-sided Flycatcher (Observed)
Oregon Spotted Frog (Observed)
Oregon Vesper Sparrow (Observed)
Pooecetes gramineus affinis
Pallid Bat (Observed)
Purple Martin (Observed)
Progne subis arboricola
Red-necked Grebe (Modeled Habitat)
Ringtail (Modeled Habitat)
Scalloped Juga (Observed)
Silver-haired Bat (Observed)
Siskiyou Hesperian (Observed)
Steelhead / Rainbow / Redband Trout (Documented)
Oncorhynchus mykiss ssp
Townsend’s Big-eared Bat (Observed)
Northwestern Pond Turtle (Observed)
Western Toad (Observed)
White-headed Woodpecker (Observed)
Yellow-breasted Chat (Observed)
Icteria virens auricollis