Are There Flying Squirrels in Maine?

Yes, flying squirrels are established in Maine, though they remain local and elusive. Maine hosts the Northern Flying Squirrel, a boreal forest specialist found primarily in the coniferous and mixed forests of northern and western Maine. These nocturnal gliders are present year-round but remain strictly hidden during daylight hours, making them among Maine's least observed mammals.

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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 photographed in Maine

Carolina Northern Flying Squirrel · Evan M. Raskin CC BY

Southern Flying Squirrel photographed in Maine

Southern Flying Squirrel · Hila Taylor CC BY

Southern Flying Squirrel photographed in Maine

Southern Flying Squirrel · Nik Hughes CC BY

Photos by iNaturalist observers, reused under the licence each observer chose.
Found in Maine
194
GBIF records

Yes, flying squirrels are in Maine. Next you'll want:

Yes, flying squirrels are established in Maine, though they remain local and elusive. Maine hosts the Northern Flying Squirrel, a boreal forest specialist found primarily in the coniferous and mixed forests of northern and western Maine. These nocturnal gliders are present year-round but remain strictly hidden during daylight hours, making them among Maine's least observed mammals.

Where Flying Squirrels Are Found in Maine

Flying squirrels in Maine occur primarily in northern and western forested regions where coniferous and mixed forests dominate. The Maine Woods, encompassing vast areas of northern Maine from the Canadian border southward, represent the primary stronghold. The White Mountain region in western Maine contains populations in spruce-fir and hemlock forests. The Appalachian foothills in central Maine provide suitable habitat in mixed conifer-hardwood stands. The northern tier counties of Aroostook, Piscataquis, and Somerset contain the densest populations. The Moosehead Lake region and associated forests support established populations. The Upper Kennebec River valley contains populations in transitional forest. The Rangeley Lakes region in western Maine harbors populations in boreal-transition habitat. Southern and coastal Maine support scattered populations primarily where coniferous forests persist. The Baxter State Park area contains populations in extensive wilderness forest. Flying squirrel distribution follows coniferous and mixed forest availability across Maine's northern landscape. For more on flying squirrel in Maine, see ourMaine flying squirrel guide.

Season and Timing for Maine Flying Squirrels

Flying squirrels remain active year-round in Maine despite the state's harsh winters. Spring and fall represent peak activity periods when squirrels are most mobile and vocal. Summer nights see sustained activity as mild temperatures encourage extended foraging. Maine's severe winters pose significant survival challenges, but flying squirrels do not hibernate and remain active on warmer nights. Breeding occurs in spring with young appearing in late spring and early summer. Late evening and nighttime hours provide the only observation opportunities. Maine's long winter season requires extensive fall food caching, making September and October critical for flying squirrel survival. Spring vocalizations, particularly male territorial and courtship calls, make flying squirrels more audible during March through May. Sustained cold snaps may reduce surface activity for extended periods. Spring emergence from dens accelerates as stored food becomes depleted and fresh vegetation appears. You can also browseMaine wildlife.

How to Identify Flying Squirrels

Flying squirrels are tiny tree-dwelling mammals weighing only two to three ounces with body lengths of seven to nine inches. The patagium, a furry membrane stretching between front and hind legs, represents their most distinctive feature. Large forward-facing eyes are perfectly adapted for nocturnal vision. Maine's Northern Flying Squirrels have slightly grayer coloration than their southern cousins, with white undersides. The fluffy tail serves multiple purposes including insulation, balance, and rudder control. Flying squirrel ears are small and partially concealed within fur. They produce high-pitched chirps and ultrasonic vocalizations during territorial and mating interactions. Compared to eastern gray squirrels, flying squirrels are dramatically smaller with proportionally much larger eyes. The patagium becomes clearly visible during gliding, creating the distinctive impression of a furry airfoil descending through the air. Sexual dimorphism is subtle, with females being marginally larger than males. Confirming identification requires observing the combination of tiny size, large eyes, soft fur, and characteristic gliding behavior. See all of ourwildlife guides.

Where Sightings Concentrate in Maine

Flying squirrel sightings in Maine concentrate in mature coniferous and mixed forest patches. The Maine Woods region, particularly in Piscataquis and northern Somerset counties, represents the most reliable observation area. Northern Aroostook County forests support established populations. The Moosehead Lake region consistently yields flying squirrel observations in spruce-fir forests. Baxter State Park contains populations in extensive wilderness forest. The White Mountain foothills in Oxford and Franklin counties contain reliable populations. The Upper Kennebec River valley, particularly in Somerset County, supports flying squirrel areas. Areas with old-growth spruce, fir, and hemlock forests support higher densities. State forest lands with cavity tree retention demonstrate higher flying squirrel populations. Roadside spotlight surveys along forest roads in northern Maine yield occasional observations. Forested areas at elevations above 1,500 feet in western Maine concentrate populations.

Typical Behavior and Habits

Flying squirrels in Maine are strictly nocturnal, hiding in tree cavities and leaf nests throughout all daylight hours. They are highly social, often sharing winter dens with multiple individuals for thermoregulation during Maine's harsh winters. Their diet consists primarily of conifer seeds, nuts, and fungi. The spruce cone crop directly influences flying squirrel population levels and breeding success. Flying squirrels make distinctive high-pitched chirps and ultrasonic vocalizations during territorial disputes and mating. Gliding represents their primary mode of travel, allowing rapid movement through forest canopies. They do not truly fly but perform controlled glides using the patagium as an airfoil. Winter diet shifts heavily toward stored seed caches as fresh food becomes scarce. Flying squirrels may visit bird feeders at night in wooded areas. Scent marking behavior intensifies during breeding season. Their presence indicates healthy boreal and mixed forest ecosystems. In Maine's food web, flying squirrels serve as important prey for northern saw-whet owls and screech owls.

Coexistence and Legal Protections

Flying squirrels have no special legal protections in Maine and are not hunted or trapped. Their small size and nocturnal habits mean direct conflicts with humans are rare. They pose no threat to homes, gardens, or agricultural operations. Flying squirrels actually benefit forest ecosystems through dispersal of fungal spores and conifer seeds. Homeowners in forested Maine can support flying squirrels by maintaining dead trees suitable for denning. Installing nest boxes specifically designed for flying squirrels provides additional cavity sites. Preserving forest connectivity between woodlots allows population expansion and genetic exchange. Flying squirrels are indicators of healthy forest management and ecosystem quality. Their presence enriches local wildlife areas and provides educational value for residents. Conservation of flying squirrels depends on maintaining mature forest habitat and protecting cavity-bearing trees. Maine's state wildlife programs recognize flying squirrels as beneficial forest inhabitants worthy of protection.

Common Species People Mistake for Flying Squirrels

Eastern gray squirrels are frequently confused with flying squirrels despite their substantial size differences. Gray squirrels weigh three times more than flying squirrels and measure seventeen inches in length. Young gray squirrels appear smaller but lack the patagium and distinctive large forward-facing eyes. Red squirrels are considerably larger and more reddish in color. At night, small bats are sometimes mistaken for flying squirrels when only silhouettes are visible against moonlit skies. However, bats use continuous rapid wing beats while flying squirrels perform smooth glides. Opossums cause occasional confusion in wooded areas but are much larger with hairless tails. Chipmunks are much smaller than flying squirrels and active only during daylight. American martens occasionally appear in Maine forests but are considerably larger and more slender. Accurate identification requires noting the combination of tiny size, large forward-facing eyes, soft gray fur, and distinctive gliding behavior.

Frequently Asked Questions

Q: Are flying squirrels found throughout Maine? A: No, flying squirrels in Maine are primarily located in northern and western forested regions. Southern and coastal Maine support only scattered populations in areas with suitable coniferous forest habitat.

Q: How can I see flying squirrels in Maine? A: Nighttime observation near mature coniferous forests offers the best opportunity. Using infrared cameras or spotlights after sunset near old spruce and fir trees increases detection chances.

Q: Do flying squirrels survive Maine winters? A: Yes, they remain active year-round despite Maine's harsh winters. Flying squirrels rely on cached conifer seeds and nuts, and multiple individuals share dens for mutual warmth during extremely cold periods.

Q: What is the difference between Maine flying squirrels and southern flying squirrels? A: Maine hosts the Northern Flying Squirrel, which is slightly larger and more adapted to boreal forests. Southern Flying Squirrels inhabit deciduous forests in warmer regions. Both species glide using the patagium but prefer different forest types. Explore/wildlife/mainefor other state wildlife information. Visit/wildlifefor guides to wildlife across regions. Learn more at/wildlife/maine/flying-squirrel.

Plan your flying squirrel sighting in Maine

194 verified flying squirrel records have been logged in Maine, most recently in 2025. See the GBIF records.

Where to look in Maine

Planning a trip to see flying squirrel? Find places to stay near Acadia National Park on Booking.com.