Rhizomys sumatrensis — Details

Large Bamboo Rat learn more about names for this taxon

Overview

Distribution

Range Description

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This is a widespread species occurring in China (Yunnan), Myanmar, Viet Nam, Cambodia, Lao PDR, Thailand, Malay Peninsula and Sumatra (Indonesia) (Musser and Carleton 2005; Smith and Xie 2008). It occurs at elevations ranging from 1,000-4,000 m asl (Lekagul and McNeely 1977).
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Ecology

Habitat

Habitat and Ecology

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Habitat and Ecology
This species occurs in secondary forest where it feeds on bamboo roots (Lekagul and McNeely 1977; Corbet and Hill 1992). It also feeds on cultivated tapioca and sugar cane (Corbet and Hill 1992). It is a nocturnal species (Smith and Xie 2008). Ithas moderate tolerance to human disturbance (Aplin and Lunde 2006).

They are reproductive biannually, February-April and August-October (Smith and Xie 2008). Gestation is 22 days and litter size is 3-5 (Smith and Xie 2008). Longevity is four years (Smith and Xie 2008).

Systems
  • Terrestrial
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Life History and Behavior

Life Expectancy

Lifespan, longevity, and ageing

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Observations: Little is known about the longevity of these animals, but one wild born specimen was about 4 years old when it died in captivity (Richard Weigl 2005).
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Rhizomys sumatrensis

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Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Species: 1
Species With Barcodes: 1

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Conservation

Conservation Status

IUCN Red List Assessment

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Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2008

Assessor/s
Aplin, K. & Lunde, D.

Reviewer/s
Johnston, C.H. & Chanson, J. (Global Mammal Assessment Team)

Justification
Listed as Least Concern because it is very widespread, has a presumed large population, and its populations are not declining fast enough to qualify for listing in a more threatened category. This is probably a species complex that will need to be reevaluated for conservation status once resolved.

History
  • 1996
    Lower Risk/least concern
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Population

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Population
It may be common where it is not hunted. It was formerly abundant in southern Myanmar, but now appears to be absent from this area. According to Wiles (1981) this species is common in lowland bamboo forest and uncommon in upland bamboo forest in Salak Phra Wildlife Sanctuary in southwestern Thailand. It was found in good numbers in southern Yunnan (Mengla Area) in the 1990’s (A. Cleveland pers. comm.).

Population Trend
Unknown
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Threats

Threats

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Major Threats
It is extensively hunted in some parts of its range.
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Management

Conservation Actions

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Conservation Actions
This species is present in Salak Phra Wildlife Sanctuary (Thailand) and is probably present in other protected areas. Further studies are needed into the taxonomy, distribution, and use/harvest trends of this species.
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Wikipedia

Large Bamboo Rat

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The Large Bamboo Rat (Rhizomys sumatrensis) is a species of rodent in the Spalacidae family. It is found in Cambodia, China, Indonesia, Laos, Malaysia, Myanmar, Thailand and Vietnam.

References

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