The Missouri Ridge COA (6 mi2) is located between Scotts Mills and Molalla in the Rock Creek subbasin, a tributary of the Pudding River. This COA is adjacent to the Molalla River COA.
Ecoregions
Key Habitats
Grasslands
Grasslands include a variety of upland grass-dominated habitats, such as upland prairies, coastal bluffs, and montane grasslands.
Oak Habitats
There are several oak habitat types in Oregon, where oaks comprise most of the canopy. These can include oak woodlands, oak forest, oak chaparral, and riparian oak. Oak savanna is covered in the Grasslands Key Habitat. Oaks may also co-dominate a canopy in oak/fir, oak pine, and oak hardwood habitats.
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.
Species of Greatest Conservation Need
Acorn Woodpecker (Observed)
Melanerpes formicivorus
California Myotis (Modeled Habitat)
Myotis californicus
Chipping Sparrow (Observed)
Spizella passerina
Clouded Salamander (Modeled Habitat)
Aneides ferreus
Coastal Cutthroat Trout (Documented)
Oncorhynchus clarki clarki
Common Nighthawk (Modeled Habitat)
Chordeiles minor
Fringed Myotis (Modeled Habitat)
Myotis thysanodes
Hoary Bat (Modeled Habitat)
Lasiurus cinereus
Northern Spotted Owl (Modeled Habitat)
Strix occidentalis caurina
Olive-sided Flycatcher (Observed)
Contopus cooperi
Oregon Slender Salamander (Observed)
Batrachoseps wrighti
Oregon Vesper Sparrow (Modeled Habitat)
Pooecetes gramineus affinis
Western Purple Martin (Modeled Habitat)
Progne subis arboricola
Short-eared Owl (Modeled Habitat)
Asio flammeus flammeus
Silver-haired Bat (Modeled Habitat)
Lasionycteris noctivagans
Townsend’s Big-eared Bat (Modeled Habitat)
Corynorhinus townsendii
Western Bluebird (Observed)
Sialia mexicana occidentalis
Western Gray Squirrel (Modeled Habitat)
Sciurus griseus
Western Meadowlark (Observed)
Sturnella neglecta
Northwestern Pond Turtle (Modeled Habitat)
Actinemys marmorata
Willow Flycatcher (Observed)
Empidonax traillii
Yellow-breasted Chat (Modeled Habitat)
Icteria virens auricollis