One of the 6 wallabies on WAnimals

Mammals · Diprotodontia · Macropodidae

Swamp Wallaby

Wallabia bicolor

Least Concern

The species is abundant and widely distributed; it faces no significant short-term risk. See full glossary

It is the only marsupial known whose gestation outlasts its own oestrous cycle, which lets it conceive in the last days of a pregnancy already under way, so females are effectively pregnant without a break.

Weight

10 kg – 20 kg

Size

66 cm – 85 cm

Lifespan

15 years

Diet

Herbivore

Feeds mainly on plants.

Activity

Crepuscular

Active above all at dawn and dusk.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Sighting difficulty

Easy

1countries17parks15same family

Fun facts

  • It is the only marsupial whose gestation outlasts its own oestrous cycle.
  • Females can be effectively pregnant without a break throughout their breeding lives.
  • It eats ferns, shrubs and plants that are toxic to other grazers.

Life cycle & biology

Skeleton type
Vertebrate - internal bony skeleton (marsupial mammal)
Habitat & environment
Dense forest, scrub and sandy heath of the east coast of Australia
Birth weight
0.61 grams (extremely undeveloped at birth, as all marsupial young are)
Size at birth
Tiny and embryonic at birth, it crawls to its mother's pouch to finish developing
Sexual maturity
15-18 months
Gestation / incubation
33-38 days — the only marsupial whose gestation outlasts its own oestrous cycle
Litter / clutch size
1 young per birth (twins exceptional)
Lifespan in captivity
Documented record of 16.8 years in captivity

Sources consulted: AnAge; Animal Diversity Web; BioDB; Caversham Wildlife; Animalia.bio; Cougar Mountain Zoo; PubMed; Wikipedia; Grokipedia

Best time: All year round in eastern Australia, at dusk and at night; it frequents dense understorey and forest edges.

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Where to watch it

Parques y spots de buceo donde se ha documentado esta especie — se muestran 10 de 17 documentados.

Related species

Other species in the catalogue with the most in common with Swamp Wallaby — same habitat, park, country, tags or family.

Keep exploring

Based on what we already know about swamp wallaby.

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