Are There Flying Squirrels in New Jersey?
Eastern flying squirrels inhabit New Jersey's forested regions, particularly northern and western portions. They occur in the Pine Barrens and mixed woodlands along Delaware River valley. These small nocturnal gliders thrive in mature forests. Sightings remain infrequent because they're strictly nocturnal and active only at night.
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
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- GBIF records
Yes, flying squirrels are in New Jersey. Next you'll want:
Eastern flying squirrels inhabit New Jersey's forested regions, particularly northern and western portions. They occur in the Pine Barrens and mixed woodlands along Delaware River valley. These small nocturnal gliders thrive in mature forests. Sightings remain infrequent because they're strictly nocturnal and active only at night.
Where Flying Squirrels Are Found in New Jersey
Eastern flying squirrels in New Jersey occur primarily in the northern and western forested regions. The Delaware River valley and surrounding woodlands support established populations, particularly in the western highlands. The Pine Barrens region hosts populations in areas with suitable habitat and mature trees. Suitable habitat extends through portions of Hunterdon, Sussex, Morris, and Bergen counties. Mixed oak and hickory forests provide ideal conditions throughout these areas. The northern forests near the New York state line support healthier populations than central or southern New Jersey. Eastern flying squirrels require mature trees with cavities for nesting, limiting their distribution to older forest stands. Urban and suburban areas with fragmented forests support fewer individuals. Learn more about flying squirrels and other wildlife through ourNew Jersey wildlife guide. Their presence in mature woodlands reflects the overall health of forest ecosystems. The eastern portions of the state have less suitable habitat due to development and forest fragmentation patterns. For more on flying squirrel in New Jersey, see ourNew Jersey flying squirrel guide.
Seasonal Activity and Timing
Eastern flying squirrels in New Jersey remain active year-round without entering true hibernation. Their activity peaks during spring breeding season and again in fall as they obsessively cache nuts and seeds for winter. Late evening and early morning darkness provide their primary active periods. Winter activity continues steadily, with individuals remaining active on milder nights and occasionally visible during daylight hours on overcast days. Spring brings renewed urgency to foraging as energy demands increase during breeding season. Summer darkness periods are limited by the long days, reducing their overall activity hours compared to other seasons. Fall represents the most intense activity period as they gather and store massive quantities of food. Weather conditions heavily influence activity levels, with wind and heavy rain suppressing movement. New Jersey's moderate climate allows extended fall and spring activity compared to northern states. Their nocturnal schedule makes them invisible to most residents despite relatively steady activity levels throughout the year. You can also browseNew Jersey wildlife.
How to Identify a Flying Squirrel
Eastern flying squirrels measure eight to nine inches long including their bushy tail. Their defining feature is the patagium, a fold of skin stretching from wrist to ankle that enables gliding. This membrane appears as a thin, often barely visible border when the squirrel is at rest. Their coloration ranges from reddish-brown to gray on the back with white underparts. Compared to Northern flying squirrels, Eastern flying squirrels display warmer coloring and smaller overall size. Their eyes are large and dark, perfectly adapted for nocturnal vision. Ears are small and rounded. The tail appears flattened and helps with steering during glides. Males and females look nearly identical, though differences become apparent during breeding seasons when females show enlarged teats. Their claws are curved and sharp for gripping bark. The patagium's white or pale underside contrasts with darker fur on their backs, a useful field mark when glimpsed in moonlight or artificial lighting. See all of ourwildlife guides.
Where Sightings Concentrate
Flying squirrel sightings in New Jersey concentrate in mature forests with abundant cavity trees. The western highlands and Delaware River valley region produces most sightings. Areas near Allamuchy Mountain State Park and High Point State Park occasionally yield observations. The Pine Barrens, particularly northern portions with mature oak and pine stands, support breeding populations. Mixed forests with diverse tree ages provide the varied food sources they require. Locations with minimal human disturbance and intact forest canopy host more active populations. State forests and protected areas maintain healthier populations than privately owned forests. Early spring and late fall offer the best seasonal windows for finding evidence of their presence. Sightings are most frequent in northwestern counties including Sussex and Hunterdon. Most New Jersey residents remain unaware of flying squirrel populations in nearby forests due to their strictly nocturnal habits. Well-maintained woodlands with snags and dead trees showing nesting cavities represent ideal habitat. OurNew Jersey wildlife guidecovers more species you may run into.
Behavior and Diet
Eastern flying squirrels are social, nocturnal rodents that often nest communally during winter for warmth. Their diet includes nuts, seeds, berries, fungi, insects, and occasionally bird eggs. Oak acorns and hickory nuts constitute major seasonal food sources in New Jersey forests. They forage actively for fungi, which they consume and help disperse throughout the forest. Fall caching behavior reaches obsessive levels as they create numerous small storage sites across their territory. Gliding between trees with remarkable precision, flying squirrels can cover more than a hundred feet in a single glide. Their tail functions as a rudder and brake, allowing controlled direction changes and safe landings. They always approach landing trees from below, a behavior that prevents falling if the patagium fails to provide enough lift. Social hierarchies exist within winter nesting groups, with dominant individuals claiming preferred nesting sites. Their nocturnal foraging patterns help them avoid diurnal predators like hawks and eagles. Winter aggregations can include up to a dozen individuals sharing body heat during cold nights. Read more aboutflying squirrel in New Jersey.
Coexistence and Legal Protections
Eastern flying squirrels are fully protected under New Jersey wildlife laws and receive no legal harvest seasons. They play important ecological roles as seed dispersers and forest regenerators. Their presence indicates mature, healthy forest ecosystems with adequate cavity trees and food diversity. Predators including barred owls, great horned owls, weasels, and snakes hunt flying squirrels regularly. Their caching activities distribute seeds and fungi throughout the forest, benefiting forest regeneration. Homeowners in forested New Jersey occasionally encounter flying squirrels in attics or walls, though conflicts remain rare. One-way door exclusion and sealing entry points resolve conflicts without harm. Lethal control methods are never appropriate for these native rodents. Visit theflying squirrel guideto learn more about coexistence strategies. Understanding their ecological importance fosters appreciation and support for habitat protection. Learning aboutNew Jersey wildlifehelps residents understand forest ecosystems and their value. Browsewildlife in New Jerseyfor related pages.
Species People Mistake for Flying Squirrels
Eastern flying squirrels might be confused with other small tree-dwelling New Jersey animals, though their patagium is distinctive. Regular gray squirrels are larger, lack the gliding membrane, and are diurnal. Red squirrels lack the patagium and are smaller overall. Fox squirrels do not occur in New Jersey. Chipmunks are smaller and primarily ground-dwelling. Nocturnal observers might mistake flying squirrel silhouettes for bats or small birds, though their flight characteristics differ markedly. Bats display rapid, erratic flight patterns quite different from flying squirrels' controlled glides. Small nocturnal mice and shrews lack the distinctive patagium and have completely different body proportions. Flying squirrels are the only gliding mammals in New Jersey, making them relatively easy to identify when observed clearly. The patagium, even partially visible, provides certain identification. Young flying squirrels retain the characteristic proportions and membrane structure of adults, preventing serious confusion. People who observe one closely rarely mistake it for anything else.
Frequently Asked Questions
Q: Are flying squirrels common throughout New Jersey? A: They occur in northern and western forested regions but remain less common than in neighboring states due to habitat fragmentation. Q: What do flying squirrels eat? A: They consume nuts, seeds, berries, fungi, and insects. Q: Do flying squirrels carry rabies? A: Flying squirrels rarely contract rabies and pose minimal disease risk to humans. Q: What is the best time to look for flying squirrels? A: Late evening and early morning hours during fall offer the best chances for observation. For more information, visit ourflying squirrel guideor explore the completewildlife guide.
Plan your flying squirrel sighting in New Jersey
91 verified flying squirrel records have been logged in New Jersey, most recently in 2026. See the GBIF records.
Where to look in New Jersey
- Appalachian National Scenic Trail · Wildlife Watching, Birdwatching · Find hotels
- Delaware Water Gap National Recreation Area · Wildlife Watching, Birdwatching · Find hotels
- Great Egg Harbor River · Wildlife Watching, Birdwatching · Find hotels
- Morristown National Historical Park · Wildlife Watching, Birdwatching · Find hotels
- Ellis Island Part of Statue of Liberty National Monument · Find hotels
- Gateway National Recreation Area · Find hotels
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