68.

Bornean Leaf-nosed Bat

Hipposideros doriae

French: Phyllorhine de Doria / German: Borneo-Rundblattnase I Spanish: Hiposidérido de Doria

Other common names: Borneo Roundleaf Bat

Taxonomy. Phyllorhina doriae Peters, 1871,

“ Sarawak auf Borneo,” Malaysia.

Hipposideros doriae was formerly included in the bicolor species group, but its true position in the phylogeny is unknown and requires further study. Includes a junior synonym, H. sabanus, described by O. Thomas in 1898. Monotypic.

Distribution. Malay Peninsula, Sumatra, and Borneo.

Descriptive notes. Forearm 34-37 mm. Noseleaf of the Bornean Leaf-nosed Bat is dark brown, very narrow, and lacks supplementary leaflet. Intemarial septum is short and parallel-sided. Posterior leaf lacks vertical septa. Pelage is grayish brown to dark brown.

Habitat. Collected in primary lowland forest to submontane forest and hill forest, up to 1500 m.

Food and Feeding. The Bornean Leaf-nosed Bat feeds on small insects in the forest understory.

Breeding. In Malay Peninsula, females were found pregnant in March-April. Lactating females were caught in April-June.

Activity patterns. The Bornean Leaf-nosed Bat roosts in caves, rock crevices, and hollow trees. Call frequency of the F segment is 195-200 kHz.

Movements, Home range and Social organization. The Bornean Leaf-nosed Bat was caught in the same trap with Kunz’s Leaf-nosed Bats (Ä kunzz), Bicolored Leaf-nosed Bats (H. bicolor), and Dayak Leaf-nosed Bats (H. dyacorum), as well as other forest-dwelling Murèna and Kerivoula.

Status and Conservation. Classified as Near Threatened on The IUCN Red List. The Bornean Leaf-nosed Bat is relatively rare, although widespread. The major risk is habitat loss.

Bibliography. Bates, Francis, Kingston, Gumal & Walston (2008), Corbet & Hill (1992), Douangboubpha, Bumrungsri, Soisook, Murray eta/. (2010), Douangboubpha, Bumrungsri, Soisook, Satasook eta/. (2010), Kingston et al. (2006), Phillipps & Phillipps (2016), Simmons (2005), Thomas (1898a).