email a friend
printable version
Location Malaysia, Sabah
Central coordinates 116o 32.00' East  5o 36.00' North
IBA criteria A1, A2, A3
Area 184,527 ha
Altitude 700 - 2,667m
Year of IBA assessment 2004

Malaysian Nature Society

Summary Stretched between three districts in the state of Sabah. The 2nd highest mountain in Sabah, the Turs Madi mountain is located in this area. The range is not protected and most of it is gazetted as forest reserve.

Site description (I) Physical CharacteristicsThe mountain range of Trus Madi follows a major north-east-south-west trend and is strongly dissected into steep sided valleys and narrow-crested ridges. It is separated from Banjaran Crocker by the Tambunan-Keningau-Tenom plain. Banjaran Trus Madi forms the watershed between three of the largest rivers in Sabah State namely the Pagalan, Labuk and Kinabatangan. Gunung Trus Madi (2,642 m asl), the second highest mountain in Sabah State, is located this range. The mountain itself was formed from mudstone, shale and argillite mildly metamorphosed in places to slate with subordinate beds of quartzite, sandstone, siltstone and limestone breccias (Collenette, 1958 cited in Acres, 1972).

Key Biodiversity A total of 143 species of birds were identified in a survey in 1983 (Sheldon and Francis, 1985). The highlands is the second most important area for Bornean endemics and montane species after Kinabalu supporting globally threatened birds like the Mountain Serpent-eagle Spilornis kinabaluensis and the Near Threatened Bornean Frogmouth Batrachostomus mixtus (Smythies, 1999).

Non-bird biodiversity: Thirty-six species of mammals identified in a survey in 1983 (Payne and Francis, 1985; Sheldon and Francis, 1985). (I) Globally threatened mammals (IUCN, 2002): ENDANGERED: Mountain Spiny Rat Maxomys alticola; VULNERABLE: Smooth-tailed Treeshrew Dendrogale melanura, Pig-tailed Macaque Macaca nemestrina, Jentink's Squirrel Sundasciurus jentinki, Common Porcupine Hystrix brachyura; NEAR THREATENED: Brooke's Squirrel Sundasciurus brookei, Bornean Gibbon Hylobates muelleri, Long-tailed Macaque M. fascicularis, Pangolin Manis javanica; DATA DEFICIENT: Malayan Sun Bear Helarctos malayanus (II) Globally threatened reptiles (IUCN, 2002): No information.(III) Globally threatened plants (IUCN, 2002): CRITICAL: Nepenthes macrophylla; VULNERABLE: Nepenthes lowii

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Kinabalu Serpent-eagle Spilornis kinabaluensis resident  2004  present  A1  Vulnerable 
Alcedo euryzona resident  2004  present  A1  Not Recognised 
Straw-headed Bulbul Pycnonotus zeylanicus resident  2004  present  A1  Vulnerable 


IUCN habitat Habitat detail Extent (% of site)
Forest   -

Protection status Not gazetted as a protected area.

References Acres, B.D. 1972. The Ascent of Trusmadi. Sabah Society Journal 5(4): 365-370.Henry Colman. 2001. Wonder - and dismay - at Trus Madi. New Straits Times, 12 May.IUCN. 2002. 2002 IUCN Red List of Threatened Species. (23 June 2003).Jumaat H. Adam and Abdullah Muhammad. 1989. The Ferns of the Trusmadi Range. Sabah Society Journal 9(1): 68-84.Mann, C.F. In prep. Check-list of the birds of Borneo. Tring: British Ornithologists' Union.Moyle, R.G. and Wong, A. 2002. The Lower Montane Avifauna of Mt. Trus Madi. Raffles Bulletin of Zoology 50(1): 199-204.Payne, J. and Francis, C.M. 1985. A Field Guide to the Mammals of Borneo. Kota Kinabalu: The Sabah Society, and Petaling Jaya: WWF Malaysia.Sheldon, F.H. and Francis, C.M. 1985. The Birds and Mammals of Mount Trusmadi. Sabah Society Journal 8(1): 77-88.Sheldon, F.H., Moyle, R.G. and Kennard, J. 2001. Ornithology of Sabah: History, Gazetteer, Annotated Checklist, and Bibliography. Ornithological Monographs 52: 1-285.WWFM. 1997. National Ecotourism Plan Malaysia. Part 2. Ecotourism Potential: Site Listings. Prepared for the Ministry of Culture, Arts and Tourism, Federal Government of Malaysia. Malaysia: World Wide Fund for Nature.

Contribute  Please click here to help BirdLife conserve the world's birds - your data for this IBA and others are vital for helping protect the environment.

Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Trus Madi Range. Downloaded from on 25/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife