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  3. Bilby

Mammals · Peramelemorphia · Thylacomyidae

Bilby

Macrotis lagotis

Vulnerable

At high risk of extinction in the wild over the medium term.

Spotted something wrong?

The greater bilby is a burrowing marsupial with enormous ears, a long snout and a two-toned tail tipped with a white tuft. It is the last survivor of its family: the lesser bilby became extinct in the mid-twentieth century. It once occupied 70% of Australia and today survives across barely 20%, driven back by foxes, feral cats and rabbits. It digs spiral burrows up to three metres long and is an ecosystem engineer: its tunnels and its feeding pits shelter dozens of other species.

Weight

1.5 kg – 3 kg

Size

29 cm – 55 cm

Life expectancy

7 years

Diet

Omnivore

Combines animal and plant food depending on availability.

Activity

Nocturnal

Active mainly at night.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Sighting difficulty

Moderate

DesertGrassland
1countries

Fun facts

  • anatomíaIts outsized ears both pick up predators and shed body heat in the arid Australian interior.
  • It has one of the shortest gestations of any mammal, barely two weeks: the young is born the size of a bean and finishes developing in the pouch.
  • Its pouch opens backwards so that it does not fill with soil while digging, a solution shared by other burrowing marsupials such as the wombats.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (mammal)
Habitat and environment
Sandy deserts, acacia scrub and spinifex grassland of the Australian interior
Sexual maturity
4.9 months
Gestation / incubation
17 days
Litter / clutch size
2

Sources consulted: https://es.wikipedia.org/wiki/Macrotis_lagotis

Where to find it

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Related species

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

Related to
Related to
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How to help

The bilby is classified as vulnerable. Organisations such as the IUCN, WWF and the Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programmes is a good starting point if you want to get involved.

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Based on what we already know about bilby.

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See full glossary
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CountriesAustralia
TagsOmnivore
Omnivore
Nocturnal
Solitary
Vulnerable
Desert
Grassland
Mammal
Australia