Overview

Distribution

Range Description

Raffray's Bandicoot is widespread throughout the highlands of New Guinea (Indonesia and Papua New Guinea), and it is also found on Yapen Island (Flannery 1995a,b). It occurs from 60 to 3,900 m asl, though it is most common at around 1,000 m asl (Flannery 1995a).
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Geographic Range

Perorctyes raffrayana is widespread throughout the island of New Guinea.

Biogeographic Regions: oceanic islands (Native )

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Physical Description

Morphology

Physical Description

Raffray's Bandicoots have an unpatterned, medium to dark brown coat and coarse fur. They are approximately 30 cm in length. Their snout is long and narrow, and they have insectivore-like dentition, small ears, and a long non-prehensile tail. The hindfoot is highly specialized and elongated for running and hopping, with reduction in the number of digits in both the forefoot and hindfoot (Vaughan, 1986). Peroryctes raffrayana can be distinguished from other species of bandicoots by their smaller size, darker coloration, and lack of a white tail tip (Flannery, 1996).

Range mass: 0.65 to 1 kg.

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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
The species occurs in montane and upper montane tropical moist forests, and montane grasslands. It is rarely found in secondary or regenerating forest, preferring undisturbed forest. Animals have been recorded from secondary forests, but the species is fairly intolerant of habitat disturbance. The average litter size is one or two young (Flannery 1995a).

Systems
  • Terrestrial
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Habitat

Peroryctes raffrayana usually inhabit undisturbed rainforest and are commonly found in a range of elevations from 850-1200 m. They also sometimes are found in higher and lower areas, with the exceptions of the woodlands and savannah of southern New Guinea and extreme low-lying areas (Flannery, 1996).

Terrestrial Biomes: forest ; mountains

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Trophic Strategy

Food Habits

Peroryctes raffrayana is largely insectivorous and omnivorous, sometimes eating small vertebrates, invertebrates, and vegetation. Mianmin hunters observe that the fruiting fig Amomeam is a favored food(Flannery, 1996).

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Life History and Behavior

Life Expectancy

Lifespan/Longevity

Typical lifespan

Status: captivity:
3 (low) years.

Range lifespan

Status: captivity:
3.2 (high) years.

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Lifespan, longevity, and ageing

Maximum longevity: 3.2 years (captivity) Observations: Although one captive animal lived 3.2 years (Richard Weigl 2005), maximum longevity in this species is likely underestimated as even in the wild animals are expected to live over 3 years.
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Reproduction

Reproduction

Raffray's Bandicoots have a short gestation period (about 15 days), and their young mature rapidly, nursing for approximately 60 days. A true chorioallantoic placenta develops, as in all Peramelidae (Vaughan, 1986). Peroryctes raffrayana are polyestrous, and usually have a litter of between one and six young. Young Raffray's Bandicoots forage with their mothers for a few nights after weaning, then separate to lead a solitary life (Stonehouse, 1977).

Average number of offspring: 3.

Average age at sexual or reproductive maturity (male)

Sex: male:
150 days.

Average age at sexual or reproductive maturity (female)

Sex: female:
90 days.

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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
Leary, T., Wright, D., Hamilton, S., Singadan, R., Menzies, J., Bonaccorso, F., Helgen, K., Seri, L., Allison, A., Aplin, K., Dickman, C. & Salas, L.

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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Conservation Status

Populations of P. raffrayana are secure. One subspecies, Peroryctes raffrayana rothschildi, has been identified in the Huon Peninsula of New Guinea (Flannery, 1996).

IUCN Red List of Threatened Species: least concern

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Population

Population
It is common in suitable habitat.

Population Trend
Unknown
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Threats

Threats

Major Threats
Raffray's Bandicoot is hunted for food by local people throughout its range, but this is not seen as a major threat to the species.
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Management

Conservation Actions

Conservation Actions
This species occurs in a number of protected areas.
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Relevance to Humans and Ecosystems

Benefits

Economic Importance for Humans: Positive

Raffray's Bandicoots are hunted and eaten by the natives of New Guinea (Lawlor, 1979).

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Wikipedia

Raffray's Bandicoot

Raffray's bandicoot (Peroryctes raffrayana) is a species of marsupial in the family Peramelidae. It is found in Indonesia and Papua New Guinea. Its natural habitat is subtropical or tropical dry forests.[2]

References

  1. ^ Groves, Colin P. (16 November 2005). "Order Peramelemorphia (pp. 38-42)". In Wilson, Don E., and Reeder, DeeAnn M., eds. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Baltimore: Johns Hopkins University Press, 2 vols. (2142 pp.). p. 41. ISBN 978-0-8018-8221-0. OCLC 62265494. http://www.bucknell.edu/msw3/browse.asp?id=10900030. 
  2. ^ a b Leary, T., Wright, D., Hamilton, S., Singadan, R., Menzies, J., Bonaccorso, F., Helgen, K., Seri, L., Allison, A., Aplin, K., Dickman, C. & Salas, L. (2008). Peroryctes raffrayana. 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
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