Overview

Distribution

Range Description

This species is present on the Aru Islands of Indonesia, the southern Trans-Fly regions of the island of New Guinea (Indonesia and Papua New Guinea), and from northern Australia where it exists as distinct populations in north-eastern Queensland, the Northern Territory (including Melville and Bathurst Islands), and northern Western Australia (Flannery 1995a,b; Woolley 2008).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
In New Guinea it occurs in grassland savanna (Flannery 1995a). In Australia they are associated with woodland savanna and grassland, and swampy areas and wetland habitats; also found in agricultural landscapes such as sugar cane plantations. Teat number varies between populations and females may have up to six or eight young in the pouch (Woolley 2008).

Systems
  • Terrestrial
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Life History and Behavior

Life Expectancy

Lifespan, longevity, and ageing

Maximum longevity: 5.3 years (captivity) Observations: In the wild these animals do not appear to live more than 1.3 years. One specimen in captivity lived for 5.3 years (Richard Weigl 2005).
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2008

Assessor/s
Helgen, K., Dickman, C., Lunde, D., Burnett, S., Woinarski, J. & Woolley, P.

Reviewer/s
Lamoreux, J. & Hilton-Taylor, C. (Global Mammal Assessment Team)

Justification
Listed as Least Concern in view of its wide distribution, presumed large population, lack of major threats, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.

History
  • 1996
    Lower Risk/least concern
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Population

Population
It is believed to be common in New Guinea, but uncommon and localised in Australia. In the Aru Islands, it is known only from a single specimen.

Population Trend
Stable
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Threats

Threats

Major Threats
There are no major threats, although in Australia the species is thought to be subject to predation by feral and domestic cats.
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Management

Conservation Actions

Conservation Actions
It occurs in a single protected area on the island of New Guinea; present in numerous reserves in Australia. Further taxonomic studies of this species are needed (the species having once been separated into a number of distinct species).
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Wikipedia

Red-cheeked Dunnart

The Red-cheeked Dunnart (Sminthopsis virginiae) is so called because of the distinctive red hair on its cheek. It is an Australasian marsupial. Its total length is 167–270 mm; its average body length is 80–135 mm with a tail of 87–135 mm. Ear length is 12–13 mm. Its weight varies between 18 and 75 grams. Its tail is thin and pale pink.

Contents

Distribution and habitat

The Red-cheeked Dunnart is distributed in Australia and New Guinea. The nominate subspecies S. v. virginiae occurs in the Queensland around the North Gulf, NE coasts, Mackay to Cape York. Subspecies S. v. nitela inhabits the Kimberley's to the top of Northern Territory. Habitat includes woodlands, open rocky forests, savannah grasslands, swamps, soaks and margins of tropical forests.

Social organisation and breeding

The behaviour of the Red-cheecked Dunnart, like most Sminthopsis species, is not well known. They breed from October to March. Young are gestated for 15 days and weaned at 65–70 days with maturity by 4–6 months. Breeding may include many litters one after another.

Diet

Its typical diet includes mainly small reptiles.

Subspecies

There are three recognised subspecies of the Red-cheeked Dunnart:[1]

References

  1. ^ a b Groves, C. (2005). Wilson, D. E., & Reeder, D. M, eds. ed. Mammal Species of the World (3rd ed.). Baltimore: Johns Hopkins University Press. pp. 36. OCLC 62265494. ISBN 0-801-88221-4. http://www.bucknell.edu/msw3. 
  2. ^ Helgen, K., Dickman, C., Lunde, D., Burnett, S., Woinarski, J. & Woolley, P. (2008). Sminthopsis virginiae. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 28 December 2008. Database entry includes justification for why this species is of least concern
  • Menkhorst, P.; Knight, F. (2001). A field Guide to the Mammals of Australia. Oxford Press. ISBN 0-19-550870-X. 
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