Bicolored Roundleaf Bat (Hipposideros bicolor)


HB: 44-46; T: 30-38; FA:38-47; E: 16-18; HF:7-9.

The fur is long with upper parts smoky grey or brownish or reddish at the tip, with pale and white bases; the under parts are much paler, with a brown tinge. Some are even golden brown. The ears and wings are brown, the nose leaf brownish pink. The ears are rounded, with a distinct antitragus;  they extend to the end of the muzzle when laid forwards and are haired for almost half their lenght. A band of skin connects the base of the ears  across the crown of the head. The nose leaf is simple, the anterior leaf is almost square, without notches or indentations.. The posterior leaf as four poorly defined compartments with the upper margin semi circular. The skull is long and slender, with an enlarged braincase and narrow zygomata; the anterior half of the zygomata is massive. There is a low sagittal crest. The first upper premolar is very small and outside the too throw.


Range Description:

This species is found from Thailand to Timor. In the Philippines, the few individuals referred to this species are from Luzon (Camarines Sur province) and Mindoro (Heaney et al. 1998). A specimen from Palawan reported by Allen (1922) was recently re-identified as Hipposideros ater, which is the only report of the species from the island (Esselstyn et al. 2004).
Countries: Native:
Indonesia; Malaysia; Philippines; Thailand; Timor-Leste


This species is common in the southeast Asia region and probably widespread in Borneo, although there are no records (C. Francis pers. comm.). The status of the Philippines population is unknown (Heaney et al. 1998).
Population Trend: Stable

 Habitat and Ecology:

 A forest species preferring primary forest, it is not common in disturbed forest areas. Found in a wide range of roosts including houses, caves and burrows of foxes and porcupines. The group size varies fro 10 to 12 right up to 200 individuals, there is no sexual segregation at the roost, but males are twice as numerous as females. The diet is soft incest such as termites. The young are born in April and are carried by the mother attached to a false nipple until they reach adult size. It roosts in caves in Peninsular Malaysia (Payne et al. 1985).
Systems: Terrestrial

 Major Threat(s):

 There are no major threats to this species, although it is sensitive to deforestation.

 Conservation Actions:

The species occurs in a number of protected areas.