Overview

Distribution

Range Description

Malay Weasel is confined to three large land-masses of Sundaic Southeast Asia: the Thai-Malay peninsula, and the islands of Sumatra and Borneo; in all three, it iswidespread(Duckworth et al. 2006). Confusion about the existence of this species on Javastems froman error in the original description, which is occasionally still repeated today, e.g. by Wilson and Reeder (2005), where the holotype was said to come from Java (Duckworth et al. 2006). The northernmost record is from Thailand at 10N (Chutiponget al. 2014). This species is altitudinally wide-ranging, with records fromsea-levelup to 1,700 m asl, including many records up to 1,400 m asl (Duckworth et al. 2006, Ross et al. 2013).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Malay Weasel range coincides with the distribution of Sundaic evergreen broad-leafed forest: most records come from this habitat. It is possible that it strictly avoids more seasonal areas: there are no records from southeast Borneo (most ofwhich has a distinct dry season), although this might simply be an artefact of limited survey there (Duckworthet al.2006). Many records come from lightly to heavily encroached areas. There are also several from plantations and even peri-urban fringes, although there is insufficient information to determine whether such areas are permanently occupied, let alone capable of supporting subpopulations in isolation from native forest.Little is known about the species' natural history, although it is evidently diurnal (Ross et al. 2013). It is probably similar to other weasels in other aspects: it is likely to be solitary, mostly ground-dwelling and so potentially exposed to generalised snaring and other forms of trapping. However, the distribution of recent records in deforested areas, even urban sites, indicates a high tolerance to human activities (Duckworth et al. 2006).

Systems
  • Terrestrial
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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
2015

Assessor/s
Duckworth, J.W., Chutipong, W., Hearn, A. & Ross, J.

Reviewer/s
Schipper, J.

Contributor/s
Kanchanasaka, B.

Justification
Malay Weasel is listed as Least Concern, because it has widely been reported outside forest, and ascends to much higher altitudes than those at which the current punishing levels of forest conversion are taking place in the Greater Sundas, such that a population decline at ratessufficienteven for Near Threatened cannot be inferred on habitat trends. Although the population is likely to be reducing in proportion to deforestation, no major threats to the species within remaining habitat are known or suspected.

History
  • Least Concern (LC)
  • 1996
    Lower Risk/least concern (LR/lc)
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Population

Population
Malay Weasel has not been studied in the wild. It appears to be widespread but difficult to see and camera-trap, and probably at low density (Duckworth et al. 2006, Ross et al. 2013). The sites of records, behaviour towards people and lack of plausible threats suggest that within remaining habitat, subpopulations are likely to be relatively stable. However, wide deforestation in recent decades and replacement with plantations and other non-forest habitats, which almost certainly support lower densities than do native forest (if they hold thespecies at all), allow a fairly confident assessment that overall its global population will be declining.

Population Trend
Decreasing
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Threats

Major Threats
Currently no major threats to this species have been traced. It is eaten in parts of Sarawak, and presumably elsewhere in its range, and there is some evidence of medicinal use, but no evidence that these activities are sufficient to constitute threats, even locally (Duckworth et al. 2006). However, deforestation has been widespread in recent decades across it range, particularly at lower altitudes, for conversion to plantations and other non-forest habitats that almost certainly support lower (or zero) Malay Weasel densities than do native forest. This allows a fairly confident assessment that overall its global population will be declining over time. Sufficient habitat survives and is legally assigned to remain forested that deforestation is not a threat to the species' survival or maintenance of its natural range.
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Management

Conservation Actions

Conservation Actions
As of 2006, Malay Weasel was protected in Thailand, Peninsular Malaysia and Sabah, but neither in Sarawak nor in Indonesia (based on the ARCBC database). This species has been reported from many protected areas within its range (Duckworth et al. 2006, Ross et al. 2013, Chutipong et al. 2014). There are no identified conservation needs other than the maintenance of the protected area system across its range.
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Wikipedia

Malayan weasel

The Malayan weasel (Mustela nudipes) is a species of weasel. It lives in Brunei, Indonesia, Malaysia, and Thailand. It is rated "Least Concern" by the IUCN Red List. Malayan weasels have a body length of 12–14 inches (30–36 cm) and a tail length of 9.4–10.2 inches (24–26 cm). The body is reddish-brown to grayish-white. The head is a much lighter color than the rest of the body. There is no hair on the soles of the feet around the pads.

Not much is known about its breeding habits, but a litter of four has been recorded.

There are two subspecies of the Malayan weasel:

  • M. n.nudipes
  • M. n. leucocephalus

References

  1. ^ Duckworth, J.W. & Kanchanasaka, B. (2008). Mustela nudipes. In: IUCN 2008. IUCN Red List of Threatened Species. Retrieved 21 March 2009. Database entry includes a brief justification of why this species is of least concern
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