Rhinolophus borneensis Peters, 1861

Suyanto, Agustinus & Struebig, Matthew J., 2007, Bats of the Sangkulirang limestone karst formations, East Kalimantan - a priority region for Bornean bat conservation, Acta Chiropterologica 9 (1), pp. 67-95 : 85-86

Rhinolophus borneensis Peters, 1861

Bornean horseshoe bat

New material

2♂♂ ( MZB M26753 / 26763 ); 2♀♀ ( MZB M26752 / 26771 ) .

Records from Borneo

Brunei: Batu Apoi NP ( Kofron, 2002). Sabah: Ranau (USNM); Batu Ponggul, Crocker Range NP, Danum Valley, Go- mantong, Gunung Kinabalu, Madau, Maliau Basin, Sapagaya, Sapulut, Sepilok, Sukau, Tabin, Ulu Tomani (Yasuma and Andau, 2000). Sarawak: Gunung Mulu, Hose Mountains, Niah NP, Kuching ( Payne et al., 2000); Bau limestone formations (MohdAzlan et al., 2005); Gunung Penrisen (Jayaraj et al., 2006). WestKal: Pulau Karimata, Pulau Serutu ( Payne et al., 2000); Betung Kerihun NP (Hariuchi, 1999); Gunung Niut NR ( Colijn, 2005); Gunung Palung NP (MZB). CentKal: Barito Ulu Research Area (McConkey and Chivers, 2004); Sumber Barito Muring Ray (MZB); Sebangau NP, Tanjung Puting NP ( Struebig et al., 2006 b); SouthKal: Upper Sunagi Tengah ( Payne et al., 2000). EastKal: Bantol cave, Bukit Soe- harto, Gunung Kombeng, Kutai NP, Peleben ( Payne et al., 2000); Liang Lusan cave, Sumber Batu cave, Tiong Ohang ( Yasuma, 1994); Sungai Wain PF ( Struebig et al., 2006 a); Sungai Lesan PF (M. J. Struebig, unpublished data).

Comments

This species was captured in abundance at the Tabalar, Marang and Tintang forma- tions, and was captured emerging from Gua Mat at Tabalar and roosting in Gua Bandung at Tintang. It is easily identified by its bluntly pointed connecting process, size and distinct coloration (the noseleaf is brown-orange). Rhinolophus borneensis is considered widespread and common throughout Borneo where there are cave systems ( Boitani et al., 2006), but it has also been recorded in Barito Ulu and Sungai Wain, where there are no known cave sys- tems for over 20 km.