Petaurista nobilis 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Sciuridae

Scientific Name: Petaurista nobilis
Species Authority: (Gray, 1842)
Common Name(s):
English Bhutan Giant Flying Squirrel, Gray’s Giant Flying Squirrel, Noble Giant Flying Squirrel
Sciuropterus chrysothrix Hodgson, 1844
Sciuropterus nobilis Gray, 1842

Assessment Information [top]

Red List Category & Criteria: Near Threatened ver 3.1
Year Published: 2010
Date Assessed: 2009-09-22
Assessor(s): Thapa, J., Molur, S. & Nameer, P.O.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Cox, N. (Global Mammal Assessment Team)

Listed as Near Threatened because its extent of occurrence is probably not much greater than 20,000 km2, and its forest habitat is in decline, thus making the species close to qualifying for Vulnerable.

Previously published Red List assessments:
2008 Vulnerable (VU)
1996 Lower Risk/near threatened (LR/nt)

Geographic Range [top]

Range Description: This species is endemic to Bhutan, India and Nepal at altitudes of 1,500 to 3,000 m asl (Molur et al. 2005, Thorington and Hoffmann 2005). Choudhury (2002) observes the subspecies singhei as occurring in Arunachal Pradesh, India. It has a very thin range of montane forest of about 1.5 km based on the elevation range (J. Thapa pers. comm. 2005).
Countries occurrence:
Bhutan; India; Nepal
Lower elevation limit (metres): 1500
Upper elevation limit (metres): 3000
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The population of this species is declining with continuing habitat loss in the region.
Current Population Trend: Decreasing
Additional data:
Population severely fragmented: Unknown

Habitat and Ecology [top]

Habitat and Ecology: It is an arboreal and crepuscular/nocturnal species. It occurs in tropical and subtropical montane, montane pine and rhododendron forests (Molur et al. 2005; T.K. Shreshta pers. comm. 2005). The generation time is estimated to be about seven or eight years.
Systems: Terrestrial

Threats [top]

Major Threat(s): Habitat loss and degradation due to logging and mining operations, expansion of human settlements, construction of dams, and hunting for local consumption have been observed to be the major threats for this species in South Asia (Molur et al. 2005).

Conservation Actions [top]

Conservation Actions: The species is included in the Schedule II (Part II) of the Indian Wildlife (Protection) Act, 1972. The subspecies singhei occurs in Eaglenest Wildlife Sanctuary and Sessa Sanctuary in Aruncachal Pradesh (Choudhury 2002). Survey, life history and limiting factor studies and monitoring are recommended for this species (Molur et al. 2005).

Citation: Thapa, J., Molur, S. & Nameer, P.O. 2010. Petaurista nobilis. The IUCN Red List of Threatened Species 2010: e.T16722A6317327. . Downloaded on 27 November 2015.
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