Sundasciurus tenuis (Horsfield, 1824)

Don E. Wilson, Thomas E. Lacher, Jr & Russell A. Mittermeier, 2016, Sciuridae, Handbook of the Mammals of the World – Volume 6 Lagomorphs and Rodents I, Barcelona: Lynx Edicions, pp. 648-837 : 727

publication ID

https://doi.org/ 10.5281/zenodo.6840226

DOI

https://doi.org/10.5281/zenodo.6818688

persistent identifier

https://treatment.plazi.org/id/064D0660-FFDE-ED23-FFCD-F534F99CF2C7

treatment provided by

Diego

scientific name

Sundasciurus tenuis
status

 

43. View Plate 44: Sciuridae

Slender Squirrel

Sundasciurus tenuis View in CoL

French: Ecureuil gréle / German: Sunda-Schlankhérnchen / Spanish: Ardila esbelta

Taxonomy. Sciurus tenuis Horsfield, 1824 ,

Singapore.

Five subspecies are recognized.

Subspecies and Distribution.

S.t.tenuisHorsfield,1824—MalayPeninsula.

S.t.bancarusMiller,1903—BanyakIs(offWSumatra).

S.t.modestusS.Miller,1840—Sumatra,andlikelyonBatuIs(oftWSumatra).

S.t.parvusMiller,1901—Borneo.

S. t. procerus Miller, 1901 — Bunguran I, North Natuna Is (off W Borneo). Subspecific affinity of populations on Anambas, Riau, and N Lingga archipelagos are unclear.

Descriptive notes. Head-body mean 141 mm (males) and 140 mm (females), tail mean 113 mm (males) and 115 mm (females); weight mean 85-2 g (males) and 81-4 g (females). Dorsum of the Slender Squirrel is speckled brownish, venter is gray and tail is long and slender. Hairs of venter are gray with white or buffy tips. Fur is pale around eyes and above the facial whiskers. Most individuals have an indistinct pale spot behind ears. Nominate subspecies ten-

wis has a duller coloration. Popo bancarus has brown dorsal fur tinged with yellow. Subspecies modestus has cream-gray venter, a rufous wash in flank, and a tail that is same color as dorsum but with black tip. Subspecies parvus is similar to nominate tenuis, but with buff-tinged venter. Subspecies procerus is also similar to tenuis, but smaller.

Habitat. Mostly lowerstrata oftall and secondary forests, in lowlands and hills up to elevations of ¢.1650 m. In Borneo, the Slender Squirrel is more common in lower areas, and in mountain ranges of northern and central Borneo,it appears to be ecologically replaced byJentink’s Squirrel (S. jentinki).

Food and Feeding. The Slender Squirrel feeds on fruits, seeds, insects, and inner bark.

Breeding. There is no specific information available for this species, but litter size in the Slender Squirrel is 2-4 young, with a mode of three.

Activity patterns. There is no specific information available for this species, but the Slender Squirrelis diurnal.

Movements, Home range and Social organization. A population density of 0-13 ind/ha was estimated for the Slender Squirrel in Ulu Muda Forest Reserve, Kedah, Malaysia.

Status and Conservation. Classified as Least Concern on The IUCN Red List. The Slender Squirrel is widespread and common in degraded and secondary habitats. There are no major threats to the population.

Bibliography. Duckworth & Meijaard (2008a), Medway (1977), Payne (1980), Saiful & Nordin (2004), Thorington et al. (2012).

Kingdom

Animalia

Phylum

Chordata

Class

Mammalia

Order

Rodentia

Family

Sciuridae

Genus

Sundasciurus

Loc

Sundasciurus tenuis

Don E. Wilson, Thomas E. Lacher, Jr & Russell A. Mittermeier 2016
2016
Loc

Sciurus tenuis

Horsfield 1824
1824
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