Overview

Distribution

Range Description

This species is an endemic of China (Smith and Xie 2008). It has a widespread distribution across much of central China (Smith and Xie 2008), including Tibet, Sichuan, Yunnan, Guizhou, Gansu, Henan, Shaanxi, Shanxi, Hebei, Liaoning, Beijing, Hubei, and Qinghai. It occurs at elevations ranging from 1,360-2,750 m asl (Wang 1998).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species occupies temperate forests and nests in caves (Smith and Xie 2008).

Diet primarily consists of oak leaves (Smith and Xie 2008). It is a nocturnal species (Smith and Xie 2008). Sexual maturity is reached at 22 months, litter sizes range from one to four, and gestation is 78-89 days (Smith and Xie 2008).

Systems
  • Terrestrial
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Life History and Behavior

Life Expectancy

Lifespan, longevity, and ageing

Observations: Not much is known about the longevity of these species, although captive specimens have been reported to live 10-12 years (Ronald Nowak 1999).
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
NT
Near Threatened

Red List Criteria

Version
3.1

Year Assessed
2008

Assessor/s
Smith, A.T. & Johnston, C.H.

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

Justification
Listed as Near Threatened because this species is declining (suspected to be at a rate close to 30% over ten years) because of habitat loss and over-harvesting for food and traditional Chinese medicine, making the species close to qualifying for Vulnerable under criterion A2d.

History
  • 1996
    Endangered
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Population

Population
There are no current data regarding the population status of this species, but it is inferred that the population is declining as a result of habitat loss, hunting and capturing.

Population Trend
Decreasing
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Threats

Threats

Major Threats
Threats to this species include hunting/capturing (Wang 1998), logging, and tree plantations (China Vertebrate Red Data Book, in press).
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Management

Conservation Actions

Conservation Actions
This species is present in Chishuisuoluo, Leigongshan, Xishuizhongyaredaisenlin, Jiyuanmihou, Jigongshan (Xinyang), Shennongjia, Houhe, Taibaishan, Foping, Wanglang, Wolong, Jinfoshan, Changshanerhai, Wawushan (CSIS 2008), and Jiuzhaigou National Nature Reserves (Liu et al. 2005) and it is probably present in other protected areas. Further studies are needed into the abundance of this species. In China, it has been regionally Red Listed as Vulnerable A1cd (Wang and Xie 2004).
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Wikipedia

Complex-toothed flying squirrel

The complex-toothed flying squirrel (Trogopterus xanthipes) is a flying squirrel found in the southern Chinese provinces Hubei, Hunan, Guizhou, Sichuan and Yunnan. Its name originates from the teeth, which differ from the other flying squirrels. The squirrel looks similar to other flying squirrels, most strikingly is a cluster of black hair at the bottom of the ear. The fur is grey-brown on top and white on bottom. Both its face and its tail are slightly red. The length of the body is about 30 cm, plus the tail which is another 30 cm long. The complex-toothed flying squirrel is an endangered species, both due to the destructions of forests as well as due to hunting.

Trogopterus xanthipes builds its nests in cliffs, usually around 30 m above the ground. They live in mountainous terrain in altitudes of 1300 to 1500 m above sealevel, according to some sources up to 2750 m. They are nocturnal, at night they leave their nests and search for nuts, fruits and branches.

Though five species of the genus Trogopterus had been described, they are now believed to be all of the same sole species T. xanthipes. The closely related hairy-footed flying squirrel (Belomys pearsoni) is sometimes also added to the genus Trogopterus.

In Traditional Chinese medicine the feces of the squirrel, known as the Five Spirits Grease (五靈脂, wǔ líng zhī) are believed to help against ulcer in the duodenum.

References

  1. ^ Smith, A. T. & Johnston, C. H. (2008). Trogopterus xanthipes. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 8 January 2009.
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