Malayan Horseshoe Bat (Rhinolophus malayanus)


HB: 40-50; T: 18-25; FA: 41-43; E: 16-19; HF: 9-10; W: 3.8 - 6.2 g.

The hair is moderately long, with the hairs uniformly coloured to their bases; the is 2 colour phases, with  a marked contrast between upper and lower parts in both the phases. The light phase is bright cinnamon above, buffy below, and the dark phase is brown above, pale brown below. There is a well marked light area on the chest where the hairs are dull whitish without any dark tips, withy the tendency to form a white area in the interorbital region just behind the lancet. The ears are sharply pointed, and when laid forward reach the end of the muzzle; the outer margin is concave immediately below the tip, then slightly convex and separated from the large antitragus by a deep notch. The lower lip as 3 vertical grooves. In the nose leaf , the anterior leaf is moderately broad, sharply cleft in front; the sella is moderately wide, with the sides nearly parallel, the connecting process is rounded off , rising slightly above the tip of the sella; the lancet is of moderate size, the tip elongated, the margins slightly concave.. The scull is slender, with a narrow braincase, short palate, with rather well developed nasal swellings, the anterior swellings extend laterally down the sides of the rostrum, thereby reducing the area of the lateral swellings. The dentition as the upper front premolar in the tooth row, but much reduced with a tiny cusp; the second lower premolar is slightly extruded or is internal to the tooth row.

Range Description:

This species is found in Myanmar, Thailand, Cambodia, Lao PDR, Viet Nam, and Peninsular Malaysia.
Countries: Native:
Cambodia; Lao People's Democratic Republic; Malaysia (Peninsular Malaysia); Myanmar; Thailand; Vietnam


The species is common in Lao PDR, locally common in eastern Myanmar, Vietnam, and possibly in Thailand.
Population Trend: Stable

Habitat and Ecology:

In eastern Myanmar it is associated with limestone caves, and found in agricultural areas and secondary forest (P. Bates pers. comm.). In Cambodia it is found in caves (not necessarily limestone) in secondary forest and degraded habitat (G. Csorba pers. comm.). This species is tolerant to some degree of habitat disturbance.
Systems: Terrestrial

 Major Threat(s):

 There are no major threats to this species.

 Conservation Actions:

The species is found in a number of protected areas.