Lariscus insignis — Details

Three-striped Ground Squirrel learn more about names for this taxon

Overview

Distribution

Range Description

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This lowland species is found on Borneo, Peninsular Malaysia, and southern Thailand, probably below 500 m (Giman and Han pers. comm.), as well as Sumatra and Java (Lekagul and McNeely 1988) and adjacent islands. This species has been recorded up to 1,500 m.
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Physical Description

Type Information

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Type for Lariscus insignis
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Mammals
Sex/Stage: Male; Immature
Preparation: Skin; Skull
Collector(s): W. Abbott
Year Collected: 1899
Locality: Anambas Islands, Pulo Siantan, Kepulauan Riau, Indonesia, Asia
  • Type: Miller, G. S. 1900 Aug 20. Proceedings of the Washington Academy of Sciences. 2: 217.
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Ecology

Habitat

Habitat and Ecology

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Habitat and Ecology
This is a diurnal and terrestrial species (Saiful and Nordin 2004; Saiful et al. 2001). It is found mostly in tall, primary forest, but can tolerate secondary habitat (Han and Steinmetz pers. comm.). In Gunung Gading it probably feeds on the buds of Raffleisa flower (Han pers. comm.). It is found in limestone hills in Kanthan Ipoh in Peninsular Malaysia (Han pers. comm.). There is a recent record from lowland evergreen forest in Kuiburi National Park at about 300 m (Steinmetz pers. comm.). It is believed that they have a specialized diet, preferring cool areas (Han pers. comm.).

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 specimen lived 7.3 years in captivity (Richard Weigl 2005).
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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
Hedges, S., Duckworth, J.W., Lee, B. & Tizard, R.J.

Reviewer/s
Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)

Justification
This species is listed as Least Concern as although uncommon, it has a wide distribution, occurs in a number of protected areas, it is tolerant to some degree of habitat modification, 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

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Population
This species is not common (Han pers. comm.). This species was rarely found in a survey conducted by Saiful et al. (2001) at the Field Studies Centre of the University of Malaya, Ulu Gombak, Selangor Darul Ehsan, Malaysia. The vegetation at this site is lowland dipterocarp forest that has been logged twice thus it is a mixture of primary and secondary forest.

Population Trend
Decreasing
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Threats

Threats

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Major Threats
This species can tolerate secondary forest (but not all secondary habitats), thus there are no major threats to this species (Han pers. comm.).
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Management

Conservation Actions

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Conservation Actions
It is found in severak protected areas, including Gunung Gading National Park, Pasoh Forest Reserve, and Krau Wildlife Reserve (Han pers. comm.), as well as Kuiburi National Park (Steinmetz pers. comm.). It is protected in Indonesia.
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Wikipedia

Three-striped Ground Squirrel

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It has been suggested that this article or section be merged into Lariscus. (Discuss)

The Three-striped Ground Squirrel (Lariscus insignis) is a species of rodent in the Sciuridae family. It is found in Indonesia, Malaysia, and Thailand.

References

  1. ^ Hedges, S., Duckworth, J. W., Lee, B. & Tizard, R. J. (2008). Lariscus insignis. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 6 January 2009.
  • Thorington, R. W. Jr. and R. S. Hoffman. 2005. Family Sciuridae. Pp. 754-818 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore.
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