A small, charming species
the Slender Squirrel occurs in primary and tall secondary forests. It is
sometimes encountered in groups of up to ten making its way through the
forest, while squabbling and chasing each other. The nest is made of short
twigs and stems, and has been observed as low as a metre above the ground in
the crooks of trees.
The upperparts are brown
and the underparts appear variable - either greyish or brownish, with buff
to whitish tips to the fur. There is a pale orange-brown area
around the eye, and often an orange-brown ear lobe. The ears are small. and
the tail long and slender. It feeds on soft tree bark, fruits and small
The species ranges from
Peninsular Malaysia to Borneo and Sumatra. In Singapore it occurs in the
Bukit Timah Nature Reserve and Central Catchment Forests, with a small,
isolated population in the Botanic Gardens.
Fig 1 : A handsome specimen from Singapore's
central forests, with a long, intact, slender tail.
Fig 2 : The fur on the underside of this adult appears brownish, tipped with
buff to cream.
Fig 3 : The fur on the underside of this specimen (possibly sub-adult) is
tipped with white. It is possible, but not confirmed, that this specimen
might be Low's Squirrel Sundasciurus lowii.
Fig 3 : Typical territorial threat display - a repeated flicking of the
tail, accompanied by vocalization.
All photos from Singapore.
Order : RODENTIA
Family : Sciuridae
Species : Sundasciurus tenuis
Head-Body Length : 13-16 cm
Tail Length : 12-13 cm
Weight :120-140 grams
References : M2