Are There Flying Squirrels in Oregon?
Yes, flying squirrels live in western Oregon's forests. Northern flying squirrels inhabit the Cascade Range, Coast Range, and Siskiyou Mountains where dense conifer and mixed forests provide suitable habitat. They are absent from eastern Oregon's dry ponderosa pine and high desert regions. Western valleys and slopes below 6,000 feet support the healthiest populations.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.
Carolina Northern Flying Squirrel · Evan M. Raskin CC BY
Southern Flying Squirrel · Hila Taylor CC BY
Southern Flying Squirrel · Nik Hughes CC BY
- 689
- GBIF records
Yes, flying squirrels are in Oregon. Next you'll want:
Yes, flying squirrels live in western Oregon's forests. Northern flying squirrels inhabit the Cascade Range, Coast Range, and Siskiyou Mountains where dense conifer and mixed forests provide suitable habitat. They are absent from eastern Oregon's dry ponderosa pine and high desert regions. Western valleys and slopes below 6,000 feet support the healthiest populations.
Where Flying Squirrels are Found in Oregon
Northern flying squirrels are distributed throughout western Oregon's forested regions, from the Cascade Range west to the Coast Range and south through the Siskiyou Mountains. The Cascade Range from the Washington border through Deschutes National Forest provides prime habitat. The western slope valleys contain excellent populations in areas around the McKenzie River and Willamette National Forest. The Coast Range harbors populations in mixed conifer stands and old-growth Douglas-fir forests. Southern Oregon's Umpqua National Forest and lands south to the California border support healthy populations. Eastern Oregon remains unsuitable due to sparse forest cover and high-desert conditions. The dividing line between suitable and unsuitable habitat runs along the Cascade crest. Flying squirrels depend on western Oregon's moist climate and dense forests. For information about Oregon's diverse wildlife, visit theOregon wildlife hub.
Seasonal Timing and Year-Round Activity
Northern flying squirrels remain active year-round in Oregon and do not hibernate. Spring breeding activity increases visibility slightly as territories are established and young develop. Summer months from June through August offer peak activity and optimal conditions for observation as temperatures remain mild. Fall activity intensifies as flying squirrels cache seeds and prepare for winter months. Oregon winters are wet rather than extremely cold, allowing flying squirrels continued access to dens and food caches. Severe snow events, ice storms, or extended freezes may temporarily reduce activity. Flying squirrels emerge at dusk and remain active through the night, with peak activity occurring in the early evening hours. Late spring and early fall provide the best opportunities for nocturnal observation in Oregon's forests. Mild Pacific Northwest winters allow flying squirrel activity throughout the season. For more on flying squirrel in Oregon, see ourOregon flying squirrel guide.
Identifying Northern Flying Squirrels in Oregon
Northern flying squirrels in Oregon are slightly larger than their eastern cousins, measuring 10 to 12 inches in body length. Soft, dense fur covers the back in gray to rusty-brown tones, while the underside remains white. The distinctive patagium membrane expands when launching, enabling glides of 150 feet or more. This membrane stretches between front and hind legs and is furred, distinguishing it from flightless squirrels. Large, dark eyes dominate a small face, perfectly adapted for nocturnal vision. Small rounded ears sit toward the back of the head. The flattened tail aids balance and steering during gliding maneuvers. Northern flying squirrels have sharp claws for gripping bark and precise climbing. High-pitched vocalizations include chirps and clicking sounds that are rarely heard by humans. The gliding ability remains the most obvious identification feature when observed. You can also browseOregon wildlife.
Habitat Where Flying Squirrels Concentrate
Northern flying squirrels concentrate in mature to old-growth conifer and mixed conifer-hardwood forests of western Oregon. Dense Douglas-fir, western hemlock, and western red cedar forests provide ideal habitat. Stands with canopy closure above 60 percent and abundant dead wood for cavities are preferred. The Cascade Range forests from 2,000 to 5,500 feet elevation contain the highest populations. Willamette National Forest and areas around the McKenzie River region offer extensive suitable habitat. The Umpqua National Forest in southern Oregon harbors significant populations in old-growth stands. Flying squirrels avoid young even-aged plantations, heavily logged areas, and fragmented forest patches. Riparian forests and moist canyon bottoms provide concentrated habitat in some areas. High-elevation subalpine forests above 6,000 feet generally lack sufficient forest density for flying squirrel populations. See all of ourwildlife guides.
Northern Flying Squirrel Behavior
Northern flying squirrels are highly social and often share tree cavities with multiple individuals during winter for warmth and survival. They construct nests from shredded bark and leaves in tree cavities or build bulky leaf nests in branches. Omnivorous diet includes lichen, fungi, insects, and seeds from conifer trees. In spring, they consume protein-rich insects and bird eggs to support breeding. Summer and fall focus on acorn and seed collection for winter storage. Mating occurs in late winter or early spring, with females producing one or two litters of two to three young annually. Young remain dependent for approximately 10 weeks before dispersing. Northern flying squirrels remain active every night throughout the year, patrolling territories and foraging. Their seed caching behaviors significantly aid forest regeneration and ecosystem function in Oregon's forests.
Coexistence and Legal Status
Northern flying squirrels are protected wildlife in Oregon and it is illegal to trap, harm, or kill them. These shy animals actively avoid human contact and pose no threat to human health or safety. Flying squirrels rarely enter homes and do not damage structures or property. If a flying squirrel enters a building, contact a licensed wildlife control operator for humane removal. Flying squirrels provide ecological benefits including insect population control and seed dispersal across forest landscapes. They serve as prey for northern spotted owls, great horned owls, and other predators. Flying squirrels indicate healthy, mature forest conditions and often serve as indicator species for forest health. Observing them responsibly means appreciating them in natural habitats without disturbance. Learn more about Oregon's wildlife and forest ecosystems through theOregon wildlife guide.
Species Likely Confused with Flying Squirrels
Northern flying squirrels in Oregon may be confused with western gray squirrels, Douglas squirrels, or Steller's jays, though several features distinguish them. Western gray squirrels are larger, lack the gliding membrane, and are diurnal. Douglas squirrels are smaller than flying squirrels, are active during the day, and lack the patagium. Steller's jays are birds and share nocturnal habitats but are easily distinguished by size, coloring, and behavior. The gliding membrane remains the unique feature identifying flying squirrels. Nocturnal activity separates flying squirrels from all other Oregon tree squirrels, which are active during daylight. Large eyes and soft gray fur reflect flying squirrel adaptations for night life. If you observe a gliding squirrel or see a small squirrel active at night in Oregon forests, you have identified a northern flying squirrel.
Common Questions About Oregon Flying Squirrels
Q: Are flying squirrels found throughout Oregon? A: No. Flying squirrels are restricted to western Oregon's forested regions. They are completely absent from eastern Oregon where forests are sparse and high-desert conditions dominate. Q: Can flying squirrels harm homes or pets? A: Flying squirrels do not damage homes or harm pets. They are shy, harmless animals that avoid human contact. Q: When is the best time to see flying squirrels in Oregon? A: Late spring through early fall offers the best chances. Visit mature forests in the Cascades or Coast Range after dark. Q: Where can I learn about Oregon's forest wildlife? A: Visit theOregon wildlife resource centeror contact Oregon Department of Fish and Wildlife for more information about northern flying squirrels and other forest animals.
Plan your flying squirrel sighting in Oregon
689 verified flying squirrel records have been logged in Oregon, most recently in 2026. See the GBIF records.
Where to look in Oregon
- Crater Lake National Park · Wildlife Watching, Birdwatching · Find hotels
- Fort Vancouver National Historic Site · Wildlife Watching · Find hotels
- Lewis & Clark National Historic Trail · Wildlife Watching · Find hotels
- Lewis and Clark National Historical Park · Wildlife Watching, Birdwatching · Find hotels
- Nez Perce National Historical Park · Wildlife Watching, Birdwatching · Find hotels
- Oregon Caves National Monument & Preserve · Wildlife Watching, Birdwatching · Find hotels
More places to see flying squirrel
More wildlife in Oregon