158 Dremomys rufi genisD. r. adamsoni—northeastern India, northern Myanmar, and
western Yunnan. Compared with D. r. rufi genis, this form
has a darker and more reddish dorsal pelage, and the
patch behind the ear is larger and whiter.
D. r. belfi eldi—peninsular Malaysia. Compared with D. r. ru-
fi genis, this form has a paler and more grizzled dorsal pel-
age, redder cheeks, and a white (not buff ) patch behind
the ear.
D. r. fuscus—southern Vietnam. The dorsal pelage is very
dark brown grizzled with buff , with chestnut-colored
cheeks and deep chestnut on the thighs. The ventral pel-
age is creamy white, with deep chestnut on the under-
side of the tail.
D. r. ornatus—Yunnan, southwestern Guangxi, Hunan, and
Anhui (China). This subspecies is larger than D. r. rufi ge-
nis, and it is more brightly colored than D. r. belfi eldi.conservation: IUCN status—least concern. Population
trend—stable.habitat: This is a species of the foothills, generally at ele-
vations below 1500 m. In Malaysia, it occurs on the ridges
and mountains between 800 and 1800 m, and as low as 400 m
in tropical submontane forests.natural history: This species is partially terrestrial.general references: Endo et al. 2003; Moore and Tate
1965; A. T. Smith and Xie 2008.Dremomys rufigenis. Photo courtesy Pitchaya and Rattapon
Kaichid.
Exilisciurus Moore, 1958
This genus of three species of pygmy squirrels occurs in the
southern Philippine Islands, the major islands of Borneo (di-
vided among Malaysia, Brunei Darussalam, and Indonesia)
Exilisciurus concinnus (Thomas, 1888)
Philippine Pygmy Squirrel
description: The Philippine pygmy squirrel is the largest
of all species of pygmy squirrels. The dorsal pelage is dark
brown with a slight reddish tint, and the ventral pelage is
paler brown.
size: Female—HB 87.0 mm (n = 2); T 68.0 mm (n = 2).
Male—HB 87.4 mm (n = 2); T 62.0 mm (n = 1).
Sex not stated—HB 85.9 mm (n = 8); T 65.5 mm (n = 6);
Mass 28.1 g (n = 13).
distribution: This species is found on several of the Phil-
ippine Islands: Samar, Biliran, Leyte, Homonhon, Bohol,
Dinagat, Siargo, Bucas Grande, Siquijor, Camiguin, Min da-
nao, and Basilan.
and Sumatra and Java (Indonesia), and some minor islands
of the Sunda Shelf. Exilisciurus lacks facia l st r ipes, i n cont ra st
to Nannosciurus, which has prominent facial stripes.