Whitehead's Woolly Bat (Kerivoula whiteheadi)


HB: 35-39; T: 36-39; FA: 28-29; E: 12.5-13.5; HF: 7-8

The upper parts are rufus orange, with slaty bases to the hairs showing through; the underparts are greyish with lighter tips. Very similar to hardwickei  but differs quite a lot in distribution of the hair, according to Thomas(1894). There are scattered short hairs along the posterior margin of the interfemoral membrane, but not the definite fringe found in picta.The ears are bluntly pointed, with the anterior margin of the tragus slightly convex, the posterior margin with a small  projection at the widest part of the tragus, above which there is a shallow depression. Hill(1965). The skull is small, with a greatly inflated brain case rising abruptly from rostrum. The inner,  upper incisors  are slender with a distinct posterior secondary cusp, the outer upper incisor is much shorter, reaching only to the cusp of the inner incisor. The second and third premolars are elongated. The anterior parts of the tooth row are markedly convergent.

 Range Description:

This species occurs in Southern Thailand, Borneo, and the Philippines. In Malaysian Borneo, the species is known only from two localities in Sarawak (Mulu and Usun Apau) and from Sabah (Kinabatangan). In the Philippines, records are from Luzon Mindanao (Davao del Norte, Davao del Sur, Davao Oriental, and Zamboanga del Norte Provinces), Palawan, and Panay (Heaney et al. 1998; Taylor 1934) and Polillo (Alviola 1999).Disturbed forest and agricultural land (near sea level only
Countries: Native:
Indonesia (Kalimantan); Malaysia (Sabah, Sarawak); Philippines; Thailand


Originally this species was considered to be extremely rare but this was probably due to inappropriate survey methodology and an inadequate number of surveys. Surveys using harp traps in montane forest on mount Isarog (Camarines Sur Province, Luzon) have found the species to be common at high elevations (1,400 m asl) (J. Sedlock pers. comm. 2006). It is known only from isolated records in Malaysia, and it is not certain whether this reflects genuine rarity for this species or if it is a sign of the sampling difficulties associated with it.
Population Trend: Unknown

Habitat and Ecology:

In the Philippines, the species has been found in disturbed forest and agricultural areas (Sanborn 1952). On Palawan island, it has been reported from cogon grassland at around 60 m asl (Esselstyn et al. 2004) and in secondary forest beside a creek at 450 m asl on Mt. Makiling (Laguna, Luzon) (Heaney et al. 1998; Sedlock 2001).
Systems: Terrestrial

Major Threat(s):

 There are no major threats to this species throughout its range. In the Philippines, the species is locally threatened at higher elevations in montane forest on ultramafic soils through activities associated with mining (D. Balete pers. comm. 2006).

Conservation Actions:

 It occurs in protected areas throughout its range. Taxonomic research is needed to clarify the status of some populations.