Overview
The Eastern Barred Bandicoot (Perameles gunnii) is a handsome, energetic, and culturally iconic terrestrial marsupial native to the temperate grasslands and woodlands of southeastern Australia and Tasmania. Celebrated for its unique and striking coloration, this rabbit-sized digging marsupial is instantly recognized by its slender, elongated snout, upright pink ears, greyish-brown coat, and three to four prominent, pale cream-colored transverse ‘zebra’ bars striping across its hindquarters.
Operating as an indispensable ‘ecological engineer’ across Australian grasslands, Perameles gunnii uses its powerful, clawed front feet to excavate thousands of conical feeding pits in the soil every night, aerating the topsoil, enhancing rainwater infiltration, and burying native plant seeds. On the Australian mainland, the species became a worldwide symbol of the extinction crisis when its wild population in Victoria collapsed to just a few dozen individuals in a municipal car dump in Hamilton due to feral red foxes. In one of the greatest triumphs in global wildlife conservation, an intensive captive breeding program utilizing Maremma sheepdogs to guard free-roaming bandicoots successfully saved the mainland population, allowing its IUCN Red List status to be downlisted from Extinct in the Wild on the mainland to Vulnerable globally.
AT A GLANCE
- Common Name: Eastern Barred Bandicoot
- Scientific Name: Perameles gunnii
- Category: Mammals
- Subcategory: Marsupials
- Size: Head-and-body length 27–35 cm (11–14 in); tail length 7–11 cm (2.8–4.3 in)
- Weight: 500–1,100 g (1.1–2.4 lb), with males averaging 800 g and females 650 g
- Lifespan: 2–3 years in the wild; up to 4–5 years in captivity
- Diet: Opportunistic omnivorous digger feeding primarily on soil invertebrates (earthworms, beetle larvae, crickets, spiders), supplemented by bulbs, roots, and fallen fruits
- Habitat: Native temperate grasslands, grassy eucalyptus woodlands, agricultural pastures, and coastal scrub with dense tussock cover
- Range: Southeastern Australia, natively distributed across the basalt plains of western Victoria and widespread across Tasmania (including Bruny Island); successfully reintroduced into predator-free mainland sanctuaries after near-extinction
- Conservation Status: Vulnerable
Biology and Physical Characteristics
Morphologically, Perameles gunnii is adapted for rapid, low-slung bounding locomotion and relentless subterranean foraging. Its skull is narrow, wedge-shaped, and elongated, featuring a long, flexible, cartilaginous snout equipped with a keen sense of smell that detects scarab beetle grubs buried ten centimeters underground. Its forelimbs are short and exceptionally muscular, armed with three enlarged, curved, spade-like claws engineered for explosive soil excavation. Its hind limbs are long and macropod-like, designed for bounding sprints to escape predators; the second and third toes of the hind feet are syndactylous (fused together) into a specialized two-clawed grooming comb used to clean parasites from its dense fur. Females possess a backward-opening marsupial pouch equipped with eight teats, which prevents abrasive dirt from entering the pouch while the mother is furiously digging.
Behavior and Ecology
Behaviorally, eastern barred bandicoots are strictly solitary and nocturnal, spending daylight hours concealed in a dome-shaped nest of dried grass, roots, and leaves tucked beneath a thick tussock or fallen log. At dusk, they emerge to forage, poking their long snouts into the turf and sniffing intently; upon locating an earthworm or grub, they dig with frantic speed, leaving a characteristic conical pit known as a ‘bandicoot nose poke.’ Bandicoots possess one of the shortest gestation periods of any mammal on Earth: just twelve and a half days after conception, a female gives birth to a litter of one to four embryonic young measuring less than ten millimeters in length. The tiny joeys crawl into the pouch, attach to a teat, and develop with astonishing speed, weaning at fifty-five days. A single female can produce up to four litters per year, yielding incredible reproductive resilience when predatory pressure is removed.
Conservation and Human Impact
The Eastern Barred Bandicoot is classified globally as Vulnerable on the IUCN Red List of Threatened Species. While Tasmanian populations remain relatively widespread, mainland Victoria experienced an apocalyptic crash due to habitat destruction (with 99% of native basalt grasslands cleared for grazing) and ferocious predation by introduced European red foxes and feral cats. In 2021, after thirty years of coordinated conservation by Zoos Victoria, mainland bandicoots achieved a historic milestone: their status was officially reclassified from ‘Extinct in the Wild’ to ‘Endangered’ in Victoria, marking the first time in Australian history an extinct-in-the-wild species successfully recovered, driven by predator-free island sanctuaries and canine guardian dogs.
Interesting Factoid
The eastern barred bandicoot holds the ultimate mammalian speed record for pregnancy—a baby bandicoot is born just 12 and a half days after conception, making its pregnancy shorter than almost any other mammal on planet Earth!