S
Species Profile

Sugar Glider

Petaurus breviceps

Glide the night, sip the sap
Fercast/Shutterstock.com

Sugar Glider Distribution

Click a location to explore more animals from that region

Invasive Species
Loading map...
Portrait of a cute female white faced sugar glider (Petaurus breviceps) standing on a branch

At a Glance

Wild Species
Also Known As glider, sugar possum, flying possum, sugar squirrel
Diet Omnivore
Activity Nocturnal+
Lifespan 5 years
Weight 0.16 lbs
Status Least Concern
Did You Know?

Not a rodent or a flying squirrel-it's a marsupial (Order Diprotodontia) with a pouch.

Scientific Classification

The sugar glider is a small nocturnal, arboreal marsupial known for its gliding membrane (patagium) that allows it to glide between trees. It is social and commonly forms groups, feeding on nectar, sap, insects, and fruit.

Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Diprotodontia
Family
Petauridae
Genus
Petaurus
Species
Petaurus breviceps

Distinguishing Features

  • Gliding membrane (patagium) stretching between fore and hind limbs
  • Nocturnal, large eyes adapted for low light
  • Small body with a long, partially bushy tail used for balance
  • Often a dark dorsal stripe from head along the back

Physical Measurements

Males and females differ in size

Length
12 in (11 in – 1 ft 1 in)
11 in (10 in – 1 ft)
Weight
0 lbs (0 lbs – 0 lbs)
0 lbs (0 lbs – 0 lbs)
Tail Length
6 in (6 in – 7 in)
6 in (6 in – 7 in)
Top Speed
22 mph
gliding

Appearance

Primary Colors
Secondary Colors
Skin Type Dense, soft fur over body; thin elastic skin membrane (patagium) between wrists and ankles.
Distinctive Features
  • Marsupial with a well-developed pouch (female) and cloaca; not a rodent.
  • Large forward-facing black eyes adapted for nocturnal arboreal activity.
  • Gliding membrane (patagium) from fifth finger to ankle; forms aerofoil for controlled glides.
  • Typical measurements: head-body length 12-14 cm; tail length 15-18 cm (Nowak 1999; Strahan 2008).
  • Typical adult mass ~0.10-0.16 kg.
  • Dorsal stripe: black line from nose/forehead continuing along midline to mid-back.
  • Tail long and bushy; used for balance/steering and carrying nesting material curled in tail.
  • Gliding performance: commonly reported glides up to ~50 m between trees (Goldingay 2000).
  • Social: commonly lives in family groups/colonies sharing a nest; frequent mutual grooming and contact calling.
  • Diet: exudativore-insectivore; feeds on tree sap/gums, nectar/pollen, and insects/arthropods.
  • Scent marking prominent (especially males) via forehead and chest glands; can leave oily stains on fur.
  • Longevity: ~4-7 years in the wild; up to ~10-12 years in captivity (Nowak 1999; Strahan 2008).

Sexual Dimorphism

Males are typically slightly larger and have obvious scent-gland development, including a bald or stained forehead spot. Females have a forward-opening pouch with teats; external coloration is otherwise broadly similar between sexes.

  • Often slightly heavier/larger overall than females in the same population.
  • Forehead scent gland produces a bald/stained spot; chest scent gland more developed.
  • More frequent and intense scent-marking; oily staining can darken head/chest fur.
  • Forward-opening marsupial pouch with teats (usually 4); pouch opening visible when fur parted.
  • Generally slightly smaller body size; lacks the male's prominent forehead bald spot.

Did You Know?

Not a rodent or a flying squirrel-it's a marsupial (Order Diprotodontia) with a pouch.

Size: head-body ~12-14 cm; tail ~15-18 cm; mass commonly ~0.09-0.16 kg (varies by sex and region).

Glides typically ~10-30 m between trees; longer glides around ~40-50 m have been reported in studies of Petaurus gliding performance.

Reproduction is fast: gestation is about ~16 days, then tiny young develop in the pouch for ~60-70 days; litters are usually 1-2 joeys.

Highly social: commonly lives in family groups (often several adults plus young) that share nests and communicate constantly.

Diet is "sweet and sappy": tree exudates (sap/gum), nectar/pollen, and insects are key foods; fruit is often seasonal/secondary.

Uses scent marking (saliva, urine, and gland secretions) to label nest sites, group members, and travel routes. Marathoners of smell, not speed.

Unique Adaptations

  • Patagium (gliding membrane) running from the forelimb to the hindlimb (from the outer forefinger region to the ankle), turning a leap into controlled gliding rather than powered flight.
  • Cartilaginous support in the forelimb (a stiffened edge) helps tension the patagium into a stable aerodynamic surface during glides.
  • Large forward-facing eyes and a nocturnal visual system adapted to low light for precision landings on branches at night.
  • Grasping hands/feet with sharp claws for arboreal climbing; the tail acts as a stabilizer and "rudder" during glides.
  • Digestive specialization for exudates: the gut supports processing of plant gums/saps, enabling heavy reliance on these patchy, energy-rich foods.
  • Marsupial reproduction: extremely short gestation (~16 days) followed by prolonged development in the pouch (~60-70 days), allowing flexible timing in variable environments.

Interesting Behaviors

  • Group nesting in tree hollows: multiple individuals pack into the same den to conserve heat and maintain social bonds; nest sharing is a hallmark of the species' social system.
  • Nocturnal foraging routes: individuals leave the den after dusk and repeatedly visit "trapline" resources (sap-wounds, flowering trees, insect-rich patches) across a shared home area.
  • Scent-marking and social chemistry: males and females mark each other and key surfaces; this supports group cohesion and helps defend feeding sites from other gliders.
  • Rich vocal repertoire: sharp alarm barks, "crabbing" defensive calls, and softer contact sounds are used to coordinate movement and warn the group.
  • Gliding launches and landings: the glider leaps, spreads the patagium to form an airfoil, adjusts direction by shifting limbs and tail, then brakes by raising the leading edge and angling up before impact.
  • Food processing behavior: sap/gum feeding often involves returning to the same wounds in trees; insect prey is typically handled quickly while perched on small branches.

Cultural Significance

Sugar Glider (Petaurus breviceps) is a well-known marsupial in Australia and New Guinea that is active at night. It is used in wildlife education to show pouch development, canopy links for gliding, and nectar feeding, and is linked to exotic pet trade and welfare debates.

Myths & Legends

Name-origin story (natural history tradition): "Sugar glider" reflects the animal's strong attraction to sweet foods like nectar and tree sap; early observers emphasized these habits when coining common names.

Early European writers called the Sugar Glider (Petaurus breviceps) a 'flying squirrel' of the southern lands, a mistake that made it popular in illustrated menageries and cabinets of curiosities.

Etymology-as-mini-legend: the scientific name Petaurus breviceps is commonly explained as 'rope-dancer/winged one' (Petaurus) and 'short-headed' (breviceps), reflecting how taxonomists framed the animal's defining features when it entered Western scientific literature.

Sugar Gliders (Petaurus breviceps) were brought to Tasmania in the 1800s, outside their natural range. They spread, affected local ecosystems, and became part of Tasmanian stories about introduced animals and forest care.

Conservation Status

LC Least Concern

Widespread and abundant in the wild.

Population Stable

Protected Under

  • Australia: protected as native fauna under state/territory wildlife legislation (e.g., NSW Biodiversity Conservation Act 2016; QLD Nature Conservation Act 1992; VIC Wildlife Act 1975), with controls on take/keeping varying by jurisdiction.

Life Cycle

Birth 2 joeys
Lifespan 5 years

Lifespan

In the Wild
3–7 years
In Captivity
8–15 years

Reproduction

Mating System Polygyny
Social Structure Harem Based
Breeding Pattern Long Term
Fertilization Internal Fertilization
Birth Type Internal_fertilization

Sugar gliders typically live in stable nest groups where one dominant male overlaps and mates with one to several females, with mate-guarding and male-male competition. Internal fertilization occurs; females commonly rear 1-2 joeys per litter, with males providing parental care.

Behavior & Ecology

Social Colony Group: 6
Activity Nocturnal, Crepuscular
Diet Omnivore tree exudates (gums/sap) and nectar (seasonally dominant energy sources)

Temperament

Highly social; frequent affiliative contact (huddling, allogrooming) within nest groups.
Strong intrasexual competition can occur, especially among adult males in proximity.
Group cohesion centers on shared den hollows; individuals forage separately then regroup.
Group-living, communal nesting, and cooperative warming are common; group size varies with habitat and hollow availability.

Communication

Sharp barks used as alarms and contact calls Nowak 1999
Rapid, harsh distress vocalization "crabbing") during threat/handling (Jackson 2003
Soft chattering and squeaks during social interactions, including grooming and reunions.
Scent-marking with forehead and chest glands on nest mates and substrates Nowak 1999
Urine marking along travel routes and near den trees to reinforce group odor.
Tactile communication: nose-touching, grooming, and huddling for bonding and thermoregulation.
Chemical recognition of colony members via shared nest odor from repeated co-sleeping.

Habitat

Biomes:
Temperate Forest Temperate Rainforest Tropical Rainforest Tropical Dry Forest
Terrain:
Coastal Hilly Mountainous Plains Valley Riverine Island +1
Elevation: Up to 6561 ft 8 in

Ecological Role

Arboreal omnivore and canopy exudate/nectar specialist that functions as both an insect predator and a nectar/pollen feeder in Australian and New Guinean forest/woodland systems.

suppresses arboreal insect populations through predation pollination facilitation via nectar/pollen feeding and movement between blossoms minor seed dispersal when consuming fruits/arils links plant exudate/nectar resources to higher trophic levels as a prey item for owls, snakes, and carnivorous marsupials

Diet Details

Main Prey:
Beetles Moths and caterpillars Ants and termites Spiders Arboreal arthropods
Other Foods:
Nectar and pollen Tree sap and gums manna Honeydew Soft fruits and fleshy arils Flower buds and blossoms

Human Interaction

Domestication Status

Wild

Sugar gliders (Petaurus breviceps) are wild marsupials, not domesticated. They are kept in the exotic-pet trade, often captive-bred in some countries, but without multi-generation domestication like dogs or cats. They are nocturnal, social, glide with a patagium, live ~4–6 years wild and ~10–12 years in captivity; welfare and habitat issues arise.

Danger Level

Low
  • Bites and scratches (notably during handling, territorial behavior, or fear responses); can cause puncture wounds and secondary bacterial infection if not cleaned.
  • Allergic reactions (dander/urine exposure) in sensitive individuals.
  • Zoonotic/enteric pathogen risk typical of small mammals under poor hygiene (risk increases with improper fecal handling, inadequate quarantine, or sourcing from high-risk supply chains); follow standard handwashing and enclosure sanitation.
  • Injury risk from improper handling (to the animal and handler) due to nocturnal startle responses and rapid climbing/gliding attempts in unsecured spaces.

As a Pet

Not Suitable as Pet

Legality: Laws vary by place. In the U.S. sugar gliders (Petaurus breviceps) are legal in many states but banned in places like California, Alaska, and Hawaii. Check state, local, and import rules before getting one.

Care Level: Experienced

Purchase Cost: $150 - $800
Lifetime Cost: $6,000 - $20,000

Economic Value

Uses:
Exotic companion animal trade (captive-bred) Zoo and wildlife-park display animals Wildlife research (behavior, locomotion, nutrition, health) Wildlife education/ecotourism Veterinary services and specialty diets/supplies market
Products:
  • live animal sales (breeders/pet trade)
  • specialized enclosures (tall cages/aviaries) and enrichment products
  • nectar/insect-based diet components and supplements marketed for gliders
  • veterinary care (exotics practice) and diagnostic services

Relationships

Predators 8

Powerful owl Ninox strenua
Masked owl Tyto novaehollandiae
Sooty Owl Tyto tenebricosa
Carpet python
Carpet python Morelia spilota
Spotted-tailed quoll Dasyurus maculatus
Northern quoll Dasyurus hallucatus
Feral cat
Feral cat Felis catus
Red fox
Red fox Vulpes vulpes

Related Species 10

Squirrel glider Petaurus norfolcensis Shared Genus
Mahogany glider Petaurus gracilis Shared Genus
Yellow-bellied glider Petaurus australis Shared Genus
Krefft's glider Petaurus notatus Shared Genus
Biak glider Petaurus biacensis Shared Genus
Leadbeater's possum Gymnobelideus leadbeateri Shared Family
Striped possum Dactylopsila trivirgata Shared Family
Tate's striped possum Dactylopsila tatei Shared Family
Great-tailed striped possum Dactylopsila megalura Shared Family
Long-fingered triok Dactylopsila palpator Shared Family

Ecological Equivalents 6

Animals that fill a similar ecological role in their ecosystem

Squirrel glider Petaurus norfolcensis Nocturnal, arboreal glider with a patagium; feeds on sap, nectar, and insects, and nests in tree hollows—sharing habitat, diet, and gliding behavior with the sugar glider (Petaurus breviceps). The sugar glider: body 13–21 cm, tail 15–21 cm, mass 0.09–0.16 kg; social; glides approximately 20–50 m.
Mahogany glider Petaurus gracilis Similar niche as a canopy-gliding marsupial that forages at night on sap, nectar, pollen, and insects; overlaps in hollow-denning and reliance on a connected forest canopy for gliding travel.
Feathertail glider Acrobates pygmaeus Small, nocturnal, arboreal marsupial glider occupying a similar nectar/sap-plus-arthropod feeding guild. Shows convergent patagium-assisted locomotion and uses tree hollows and crevices, though it is substantially smaller-bodied.
Greater glider Petauroides volans An Australian nocturnal arboreal glider with a patagium and strong dependence on mature forest structure (tree hollows, connected canopy). Differs by being primarily folivorous—feeding on eucalypt leaves—rather than focusing on exudates, nectar, or insects.
Southern flying squirrel Glaucomys volans Convergent niche outside Australia: nocturnal, arboreal, gliding mammal that uses a patagium to travel between trees and exploit patchily distributed food resources; shares similar predator-avoidance and canopy-connectivity requirements, though it is a placental rodent with a different dietary emphasis.
Sunda colugo Galeopterus variegatus Extreme convergence in membrane-based arboreal gliding between trees; shares a nocturnal, arboreal lifestyle and reliance on continuous forest canopy, although colugos are not marsupials and are more folivorous.

“A small, gliding possum with a big sweet tooth.”

Sugar gliders are tiny nocturnal animals that are native to forested and wooded regions in Australia and New Guinea. They have comparable size and appearance to North American squirrel species. However, their classification as marsupials means they are actually more similar to kangaroos, koalas, and possums. Despite their name and a hardy appetite for sweet foods, sugar gliders are actually omnivorous animals and consume a diverse diet that typically fluctuates throughout the year. Despite restrictions in some countries, they are also a popular choice as exotic household pets.

Sugar Glider Facts

  • Baby sugar gliders are called “joeys” like their much larger kangaroo cousins.
  • Thin membranes attached to their wrists and ankles allow these mammals to glide for over 100 feet without touching the ground.
  • Their colonies are typically run by two males who share authority and various responsibilities related to the group dynamic.
  • Adults usually have grey-brown fur that is broken up by dark stripes and a white underbelly.

You can check out more incredible facts about sugar gliders.

Scientific Name

In scientific communities, sugar gliders are known by the name Petaurus breviceps. This name is translated as “short-headed springboard” in reference to their remarkable ability to leap and glide long distances. There are also several other names for these animals given by local native peoples, including aymows, kajben, and yegang. This species is part of the Petauridae family in the Mammalia class.

Evolution And History

The sugar glider genus Petaurus is believed to have originated in New Guinea around 8 to 24 million years ago, during the early to mid-Miocene era. This mammal then migrated to Australia where it further diverged and the earliest examples of the species change more closely resembling the sugar glider we see today were believed to have taken place in Australia around 4.46 million years ago.

Types Of

The sugar glider was once classified as a single species but newer research has now indicated that they are actually 3 distinct species.

  • Sugar glider (Petaurus breviceps)
  • Krefft’s glider (Petaurus notatus)
  • Savanna glider (Petaurus ariel)

Additionally, there are currently seven recognized subspecies of sugar gliders found in different regions throughout Australia and the Indonesian islands. The subspecies native to Australia are P. b. breviceps, longicaudatus and ariel. Other subspecies that are found in New Guinea and surrounding islands are P. b. papuanus, tafa, flavidus and biacensis.

Appearance

Sugar glider on a stump / Petaurus breviceps

These are one of the few mammals that have an opposable digit, like the human thumb, that helps them keep their grip.

Sugar gliders are often called flying squirrels due to their comparable body structure, size, and prominent tail. Adults are generally 6 to 8 inches in length and weigh between 4 and 6 ounces. They are one of the few mammals that have an opposable digit, like the human thumb, that helps them keep their grip. Their short, soft coat typically appears primarily grey with black stripes and a white belly. Selective breeding in captivity and genetic mutations in the wild have also produced white and cream-colored gliders.

Their most distinctive physical characteristic is patagia, or thin membranes of skin, that stretches from their wrists to their ankles. These wing-like membranes allow them to glide gracefully through the air for distances up to 150 feet. Sugar gliders can also exercise control over their long tail to maintain balance in the treetops and steer them during a glide.

Sugar Gliders seen in a green garden, jump and fly from one tree to another trees

Wing-like membranes allow them to glide gracefully through the air.

Behavior

Sugar gliders are animals that live in small groups, called colonies, composed of up to a dozen individuals. The colonies usually feature two dominant males that share authority and subdue other males in the group. The two leading males assume various responsibilities, including scent-marking colony members and territory as well as helping care for offspring. Gliders are mostly active at night and typically forage in an area that spans several acres.

Gliding

As their name suggests, these animals can glide across significant distances by leaping into the air and spreading out the membranes attached to their limbs to maintain lift. They will fall about 1.5 feet for every 2.5 feet of horizontal distance traveled during a glide. Gliding is not only an energy-efficient way to travel, but it’s also an effective way to escape predators in the trees while avoiding those on the ground.

Habitat

These tiny marsupials are almost exclusively arboreal, which means they spend most of their time among the branches of trees. Their geographic range is limited to the eastern coasts of Australia, New Guinea, and a few of the surrounding islands. They have a distinct preference for trees in the Acacia and Eucalyptus groups and are dependent on wooded or forested habitats. They are found in both wet and dry environments ranging from wild rainforests to cultivated plantation areas.

Food And Diet

Even though they do have a penchant for sweet stuff, sugar gliders are adaptive omnivores that have different food targets throughout each season. They primarily forage along the underside of the forest canopy, so they have access to a wide diversity of dietary options. They can eat almost 10 percent of their body mass in food each day. Sugar gliders are also capable of entering a state of torpor that allows them to slow down basic body functions in order to conserve energy.

What Do Sugar Gliders Eat?

Insect species and their larvae are their biggest food source during the warmer months of the year. Sugar gliders exhibit remarkable speed and dexterity when they leap from trees momentarily to capture flying insects. They seek out the gum or sap exuded from trees during the cold season, particularly that of the acacia and eucalyptus plants. They are also known to prey on small animals, particularly reptiles, that they come across in their foraging expeditions.

To discover the complete diet of sugar gliders, give ‘What Do Sugar Gliders Eat? 20+ Foods They Love’ a read!

Predators And Threats

sugar glider cage

Although their geographic range is narrowing, they are not considered endangered.

Despite their narrow geographic range and limited habitat preference, sugar gliders are not considered an at-risk species. In fact, they are currently classified as a species of least concern according to wildlife conservationists. The ability to adapt to habitat fragmentation and survive in close proximity to human development has allowed them to fare better than other small possum species that are native to the same regions.

What Eats Sugar Gliders?

Their small size makes them a tempting target for a wide range of predators in their native range, which is why they have to rely on their speed and gliding ability to make frequent escapes from danger. Local owl species are their primary predators, but they can also become a meal for various snakes, kookaburras, goannas, and quolls. Feral and domestic cats are also a serious threat to gliders.

Reproduction, Babies, And Lifespan

mother holding baby sugar glider

Mothers have a pouch on their abdomen suited for housing their babies after they are born.

Female sugar gliders have a pair of ovaries and uteri, much like other marsupials, and can enter heat multiple times in a single year. They also have a pouch on their abdomen suited for housing baby gliders after they are born. Breeding typically occurs between the two dominant males and the various females within a colony. Depending on the subspecies and region, breeding may be limited to certain seasons or occur throughout the year.

They have a short gestation period that lasts around 16 days. Mothers give birth to one or two babies, which crawl directly into their pouch to continue their development. Each baby, called a joey, remains completely in the pouch for about two months and won’t even open their eyes until they are around 80 days old. They leave the nest and start venturing out on their own when they are about 110 days of age.

Sugar gliders typically reach physical and sexual maturity by the time they are a year old, although males may mature a bit faster. Lifespan in captivity ranges from 10 to 12 years, although the average adult only lives for around 5 or 6 years in the wild.

Population

The facts regarding the wild sugar glider population aren’t clear, but conservation authorities have little reason to believe they are in imminent danger and consider them a species of least concern in terms of endangerment. Habitat loss due to wildfires and human development is an ongoing concern that could eventually lead to an observable decline in their numbers. There is also a substantial market for these animals as pets and they make up a sizable portion of the exotic pet market in the United States.

View all 391 animals that start with S

Sources

  1. Wikipedia / Accessed December 22, 2020
  2. National Geographic / Accessed December 22, 2020
  3. San Diego Zoo / Accessed December 22, 2020
Melissa Bauernfeind

About the Author

Melissa Bauernfeind

Melissa Bauernfeind was born in NYC and got her degree in Journalism from Boston University. She lived in San Diego for 10 years and is now back in NYC. She loves adventure and traveling the world with her husband but always misses her favorite little man, "P", half Chihuahua/half Jack Russell, all trouble. She got dive-certified so she could dive with the Great White Sharks someday and is hoping to swim with the Orcas as well.
Connect:

Thank you for reading! Have some feedback for us?


Sugar Glider FAQs (Frequently Asked Questions)

Sugar gliders are small marsupials that have a body size and proportions similar to a squirrel. They are nocturnal mammals that spend almost all of their time among the branches and trunks of trees. They are best-known for the membranous “wings” spanning their front and hind legs that allow them to glide through the air.