Common Thick-thumbed Bat (Glischropus tylopus)

Range Description:


HB:39; T:37; FA::31-32;E: 12.5; HF: 6.5

The upper parts are dark grey or blackish, the under parts are paler; the ears and the wings are dark grey. There are thickened, kidney shaped pads at the base of the thumb and the sole of the foot; they are white of pink, contrasting with the dark shade of the surrounding skin. The muzzle is broad, evenly rounded in front. The ears are triangular with rounded tips; the tragus is faintly concave along the inner margin. The tip of the tail is free of interformeral membrane. The upper inner incisors are long and bifid; the outer upper incisors are much shorter, with only one cusp, but are equal in cross section to the inner ones. The lower incisors are trifid but not crowded.


Frequently associated with bamboo, roosting in dead or damaged stalks; they also roost in crevices or rocks and in new bamboo leaves. They also tend to fly high.

Range Description:

The species occurs in Myanmar, through Thailand, Cambodia, Lao PDR, Vietnam, Malaysia, Moluccas Islands (Indonesia), Borneo, Sumatra, Java and the Philippines. In the Philippines there are records from Palawan Island (Heaney et al. 1998).
Countries: Native:
Cambodia; Indonesia (Kalimantan, Maluku, Sumatera); Lao People's Democratic Republic; Malaysia (Sabah, Sarawak); Myanmar; Philippines; Thailand; Vietnam
Range Map: Click here to open the map viewer and explore range.


The species is uncommon throughout most of its range although it can sometimes be locally common.
Population Trend: Unknown

Habitat and Ecology:

This species roosts in rock crevices, in hollow bamboo, and in banana leaves in Peninsular Malaysia (Payne et al. 1985). Habitat and ecological requirements are unknown in the Philippines (Heaney et al. 1998).
Systems: Terrestrial

Major Threat(s):

There are no known major threats to this species.

Conservation Actions:

This species is found in a number of protected areas throughout its range.