Overview

Bandicoots are a group of small to medium-sized marsupials native to Australia, New Guinea and nearby islands. They belong to the order Peramelemorphia and include roughly about 20 species. As marsupials, they raise underdeveloped young in a pouch; many bandicoots are noted for a very short gestation period and rapid reproductive cycles. For basic context see marsupial references.

Appearance and behaviour

Typical bandicoots have a pointed snout, strong hind limbs, a compact body and coarse fur. Their forefeet are adapted for digging and they use a sensitive snout to root in soil for food. Most species are nocturnal and solitary, spending the day in nests, grass tangles or burrows and emerging at night to forage.

Diet and ecology

Bandicoots are opportunistic omnivores. Their diet commonly includes invertebrates such as beetles, grubs and earthworms, along with larvae, seeds and sometimes small vertebrates. Spiders and other arachnids are also eaten by many species (spiders). Their foraging helps turn over soil and disperse seeds, making them important ecological engineers in some habitats.

Distribution and habitat

Bandicoots inhabit a range of environments from coastal heath and grassland to woodlands and dry forest across Australia and New Guinea. Different species have different habitat preferences; some dig extensive burrows while others shelter in surface nests. Adaptations to local fire regimes and vegetation types influence where each species persists.

Reproduction and conservation

Females have a pouch or skin fold where the young continue development after a short pregnancy. This fast breeding can help populations recover, but many bandicoots face serious threats. Habitat loss, introduced predators such as foxes and feral cats, altered fire regimes and road mortality have reduced numbers. Several species are listed as threatened or endangered; conservation measures include predator control, habitat protection and captive breeding programs (conservation concerns).

Species examples and distinctions

  • Northern brown bandicoot (Isoodon macrourus)
  • Southern brown bandicoot (Isoodon obesulus)
  • Long-nosed bandicoot (Perameles nasuta)
  • Eastern barred bandicoot (a species of conservation concern)
  • Bilby (often called the rabbit-bandicoot; distinct family-level separation)
  • Pig-footed bandicoot (an extinct relative known from historical records)

Bandicoots remain a recognizable and ecologically significant component of Australasian mammal fauna. Ongoing research and management aim to secure vulnerable species while improving public awareness of their role and needs.

Further reading • Species list • Diet • Soil foraging • Prey items • Range • Conservation