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.
The Mary’s Peak COA (48 mi2) extends from the Siuslaw National Forest around Mary’s Peak westward into the Coast Range, out toward Lone Spring Mountain and Grass Mountain. This COA is adjacent to the Kings Valley – Woods Creek Oak Woodlands COA.
Ecoregions
Coast Range
Oregon's Coast Range, known for its dramatic scenery, is extremely diverse, with habitats ranging from open sandy dunes to lush forests and from tidepools to headwater streams. It follows the coastline and extends east through coastal forest to the border of the Willamette Valley and Klamath Mountains ecoregions
Willamette Valley
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.
Key Habitats
Grasslands
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
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 …
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.
Wetlands
Wetlands are habitats that are inundated or saturated by surface water or ground water at a frequency and duration sufficient to support vegetation typically adapted for life in sodden soil conditions. While dominated by periods of inundation, the natural ecological cycle may also include dry intervals. Permanently wet habitats include backwater sloughs, oxbow lakes, peatlands, …
Species of Greatest Conservation Need
A Caddisfly (Observed)
Farula constricta
American Avocet (Modeled)
Recurvirostra americana
American Goshawk (Observed and Modeled)
Astur atricapillus
Black Swift (Observed)
Cypseloides niger borealis
Black Tern (Modeled)
Chlidonias niger
Brewer’s Sparrow (Observed)
Spizella breweri breweri
California Myotis (Observed and Modeled)
Myotis californicus
Cascade Torrent Salamander (Observed)
Rhyacotriton cascadae
Caspian Tern (Observed)
Hydroprogne caspia
Chipping Sparrow (Observed)
Spizella passerina
Clouded Salamander (Observed and Modeled)
Aneides ferreus
Coastal Cutthroat Trout (Modeled)
Oncorhynchus clarki clarki
Coastal Tailed Frog (Observed and Modeled)
Ascaphus truei
Common Nighthawk (Observed and Modeled)
Chordeiles minor
Fringed Myotis (Observed and Modeled)
Myotis thysanodes
Hoary Bat (Modeled)
Lasiurus cinereus
Johnson’s Hairstreak (butterfly) (Observed)
Callophrys johnsoni
Lewis’s Woodpecker (Modeled)
Melanerpes lewis
Little Brown Myotis (Observed and Modeled)
Myotis lucifugus
Long-legged Myotis (Observed and Modeled)
Myotis volans
Marbled Murrelet (Observed and Modeled)
Brachyramphus marmoratus
Northern Red-legged Frog (Observed and Modeled)
Rana aurora
Northern Spotted Owl (Observed and Modeled)
Strix occidentalis caurina
Northwestern Pond Turtle (Modeled)
Actinemys marmorata
Olive-sided Flycatcher (Observed and Modeled)
Contopus cooperi
Oregon Vesper Sparrow (Modeled)
Pooecetes gramineus affinis
Pacific Brook Lamprey (Modeled)
Occidentis pacifica
Pacific Fisher (Modeled)
Pekania pennanti
Pacific Lamprey (Modeled)
Entosphenus tridentatus
Pacific Marten (Modeled)
Martes caurina
Pallid Bat (Modeled)
Antrozous pallidus
Red Tree Vole (Observed and Modeled)
Arborimus longicaudus
Short-eared Owl (Observed and Modeled)
Asio flammeus flammeus
Silver-haired Bat (Observed and Modeled)
Lasionycteris noctivagans
Southern Torrent Salamander (Observed and Modeled)
Rhyacotriton variegatus
Taylor’s Checkerspot Butterfly (Observed)
Euphydryas editha taylori
Townsend’s Big-eared Bat (Modeled)
Corynorhinus townsendii
Trumpeter Swan (Modeled)
Cygnus buccinator
Western Bluebird (Observed and Modeled)
Sialia mexicana occidentalis
Western Bumble Bee (Observed)
Bombus occidentalis
Western Burrowing Owl (Modeled)
Athene cunicularia hypugaea
Western Gray Squirrel (Modeled)
Sciurus griseus
Western Grebe (Modeled)
Aechmophorus occidentalis
Western Long-eared Myotis (Observed and Modeled)
Myotis evotis
Western Meadowlark (Observed and Modeled)
Sturnella neglecta
Western Painted Turtle (Modeled)
Chrysemys picta belli
Western Pearlshell Mussel (Observed)
Margaritifera falcata
Western Purple Martin (Modeled)
Progne subis arboricola
Western Rattlesnake (Modeled)
Crotalus oreganus oreganus
Western Small-footed Myotis (Modeled)
Myotis ciliolabrum
Western Toad (Modeled)
Anaxyrus boreas
White-breasted Nuthatch (Pacific) (Modeled)
Sitta carolinensis aculeata
Willet (Modeled)
Tringa semipalmata inornata
Willow Flycatcher (Observed and Modeled)
Empidonax traillii
Wilson’s Phalarope (Modeled)
Phalaropus tricolor
Wrentit (Observed and Modeled)
Chamaea fasciata
Yuma Myotis (Observed and Modeled)
Myotis yumanensis