Native Animals
Trachypithecus obscurus
Dusky Langur
EN
Endangered
IUCN Red List of Threatened Species
ver 3.1, 2020
Taxonomy
-
Kingdom
-
Phylum
-
Class
-
Order
-
Family
-
Genus
-
Specific Epithetobscurus (Reid, 1837)
-
Infraspecific
- subsp. halonifer
- subsp. obscurus
- subsp. styx
-
Synonym
- Presbytis obscura
-
Common Name
- Dusky Langur (English)
- Dusky Leaf Monkey (English)
- Dusky Leaf-monkey (English)
- Dusky-leaf Monkey (English)
- Lotong Cengkung (Malay)
- Lotong Chengkong (Malay)
- Lutong Bercelak (Malay)
- Lutong Celak (Malay)
- Spectacled Langur (English)
- Spectacled Leaf Monkey (English)
- Spectactled Langur (English)
-
ResidentialNative
The taxonomic status is pending for approval
Description
So far we know little about the species, apart from its appearance.
Habits
| No | Part | Habit | |
|---|---|---|---|
| 1 |
|
Arboreal — Spend the majority of their lives in trees.
|
Habitats
| No | Description | Suitability | Seasonality |
|---|---|---|---|
| 1 |
Forest → Subtropical/Tropical Moist Lowland Forest
|
Suitable | Unknown |
| 2 |
Forest → Subtropical/Tropical Moist Montane Forest
|
Unknown | Unknown |
References : http://www.iucnredlist.org/technical-documents/classification-schemes/habitats-classification-scheme-ver3
Assessment
| Year Published | Assessment | Red List Category | Version |
|---|---|---|---|
| 2020 | IUCN Red List of Threatened Species |
Endangered (EN)
|
3.1 |
| 2008 | IUCN Red List of Threatened Species |
Near Threatened (NT)
|
3.1 |
| 2000 | IUCN Red List of Threatened Species |
Least Concern (LC)
|
N/A |
| 1996 | IUCN Red List of Threatened Species |
Least Concern (LC)
|
N/A |
Specimen
| Collection Center | Dried | Live | Slide | Wet | Total | |
|---|---|---|---|---|---|---|
| 4 |
Biodiversity Experts
| Profile | |
|---|---|
|
Amal Ghazali Nasron (Mr.)
Department of Wildlife and National Parks (PERHILITAN)
|
Mammals, Insects,
Biodiversity, Conservation & Forest
|
|
Amy Then Yee Hui (Dr.)
University of Malaya (UM)
|
Fishes (Ecology), Seahorses (Ecology), Mammals (Ecology),
Protected Areas & Marine & Coastal
|
|
Andrew Alek Tuen (Prof. Dr.)
Universiti Malaysia Sarawak (UNIMAS)
|
Mammals, Birds,
Protected Areas
|
|
Badrul Munir Md Zain (Assoc. Prof. Dr.)
Universiti Kebangsaan Malaysia (UKM)
|
Mammals (Taxonomy),
|
|
Chong Ju Lian (Dr.)
Universiti Malaysia Terengganu (UMT)
|
Mammals (Ecology), Vascular (Ecology),
Invasive Alien Species, Protected Areas, Digital Sequence Information (DSI), Marine & Coastal & Climate Change
|
|
David Magintan (Dr.)
Department of Wildlife and National Parks (PERHILITAN)
|
Mammals, Elephants,
Biodiversity, Conservation, Environment, Protected Areas, Biological Resource & Ecology
|
|
Faisal Ali Anwarali Khan (Dr.)
Universiti Malaysia Sarawak (UNIMAS)
|
Mammals, Bats,
Biodiversity, Conservation, Data Analysis, Evolution, Forest & Molecular
|
|
Farah Shafawati Mohd Taib (Dr.)
Universiti Kebangsaan Malaysia (UKM)
|
Birds, Mammals, Rodents, Treeshrews, Squirrels,
Biodiversity, Conservation, Data Analysis, Ecosystems & Taxonomy
|
|
Jayaraj Vijaya Kumaran (Dr.)
Universiti Malaysia Kelantan (UMK)
|
Mammals,
Biodiversity, Conservation, Genetics & Digital Sequence Information (DSI)
|
|
Jeffrine Rovie Ryan Japning (Mr.)
Department of Wildlife and National Parks (PERHILITAN)
|
Monkeys, Fishes, Mammals,
Biodiversity, Conservation, Data Analysis, Evolution, Genetics, Molecular, Protected Areas, Science & Technology
|
|
Kayal Vizi Karuppannan (Mrs.)
Department of Wildlife and National Parks (PERHILITAN)
|
Elephants, Fishes, Mammals,
Biodiversity, Conservation, Evolution, Genetics, Molecular, Protected Areas & Digital Sequence Information (DSI)
|
|
Midhat Nabil Ahmad Salimi (Dr.)
Universiti Malaysia Perlis (UniMAP)
|
Mammals,
Biodiversity, Climate Change, Data Analysis, Ecosystems, Education, Environment, Genetics, History, Management, Medical, Molecular, Science, Technology, Water, Digital Sequence Information (DSI), Living Modified Organism (LMO), Synthetic Biology, Protected Areas, Marine & Coastal & Invasive Alien Species
|
|
Mohammad Shahfiz Azman (Mr.)
Forest Research Institute Malaysia (FRIM)
|
Amphibians, Mammals, Birds, Amphibians, Reptiles,
Awareness, Biodiversity, Conservation, Ecosystems, Environment, Forest, Landscape, Law and Policy, Management, Protected Areas, Science, Systematics, Invasive Alien Species, Like-Minded Megadiverse Countries (LMMC), National Policy on Biological Diversity, Policy, Research and Development (R&D) & Zoonotic
|
|
Mohd Tajuddin Abdullah (Prof. Dato' Dr.)
Universiti Malaysia Terengganu (UMT)
|
Mammals,
Biodiversity, Conservation, Ecosystems, Evolution, Genetics & Protected Areas
|
|
Nasharuddin Bin Othman (Mr.)
Department of Wildlife and National Parks (PERHILITAN)
|
Mammals (Ecology),
Conservation, Management & Protected Areas
|
|
Rahimatsah Amat (Dr.)
Sabah Environmental Trust (SET)
|
Mammals (Ecology),
Environment, Management & Protected Areas
|
|
Rahmat Topani (Mr.)
Department of Wildlife and National Parks (PERHILITAN)
|
Mammals (Ecology),
Conservation, Protected Areas & Marine & Coastal
|
|
Rosli Hashim (Prof. Dr.)
University of Malaya (UM)
|
Birds (Ecology), Mammals (Ecology), Spiders, Insects,
Biodiversity & Protected Areas
|
|
Rosli Ramli (Assoc. Prof. Dr.)
University of Malaya (UM)
|
Mammals (Ecology), Birds,
Biodiversity, Digital Sequence Information (DSI), Protected Areas & Marine & Coastal
|
|
Saifullah A. Jaaman @ Sharman (Assoc. Prof.)
Universiti Malaysia Terengganu (UMT)
|
Mammals,
Biodiversity, Conservation & Marine & Coastal
|
|
Salman Hj Saaban (Mr.)
Department of Wildlife and National Parks (PERHILITAN)
|
Elephants, Monkeys,
Biodiversity & Conservation
|
|
Tan Cheng Cheng (Ms.)
Department of Wildlife and National Parks (PERHILITAN)
|
Mammals (Ecology),
Protected Areas, Biodiversity & Conservation
|
|
Tan Poai Ean (Ms.)
Department of Wildlife and National Parks (PERHILITAN)
|
Bats, Mammals, Rodents,
Biodiversity, Conservation, Ecosystems & Management
|
PM - Peninsular Malaysia; SBH - Sabah; SWK - Sarawak; SEA - Southeast Asia; W - World;
References
Article
- Azman, N.M., Abdul Latip, N.S., Shahrul Anuar, M.S., Mohd Abdul Muin, M.A., Shafie, N.J. & Khairuddin, N.L. (2011). Avian Diversity and Feeding Guilds in a Secondary Forest, an Oil Palm Plantation and a Paddy Field in Riparian Areas of the Kerian River Basin, Perak, Malaysia. Tropical Life Sciences Research (TSLR) 22 (2), 45–64
- Baker, N. & Guy, G.R. (2017). Dusky Langur and Black Giant Squirrel feeding on Acacia auriculiformis at Pulau Pinang, Peninsular Malaysia. Southeast Asia Vertebrate Records. , 14-16
- Brandon-Jones, D., Eudey, A.A., Geissman, T., Groves, C.P. & Melnick, D.J. (2004). Asian primate classification. International Journal of Primatology 25 (1), 97-164
- Aihara, Y., Hosaka, T., Yasuda, M., Hashim, M. & Numata, S. (2016). Mammalian Wildlife Tourism in South-East Asian Tropical Rainforests: The Case of Endau Rompin National Park, Malaysia. Journal of Tropical Forest Science 28 (2), 167-181
- Jayaraj, V.K., Daud, S.H.M., Azhar, M.-I., Shahrul Anuar, M.S., Mokhtar, S.I. & Abdullah, M.T. (2013). Diversity and Conservation status of Mammals in Wang Kelian State Park, Perlis, Malaysia. Check List. 9 (6), 1439-1448. https://www.biotaxa.org/cl/article/viewFile/9.6.1349/1695
- Lambert, F. (1990). Some notes on fig-eating by arboreal mammals in Malaysia. Primates 31 (3), 453-458. https://link.springer.com/article/10.1007/BF02381118
- Md-Zain, B.M. & Ch'ng, C.E. (2011). The Activity Patterns of a Group of Cantor’s Dusky Leaf Monkeys (Trachypithecus obscurus halonifer). International Journal of Zoological Research 7 (1), 59-67. https://scialert.net/qredirect.php?doi=ijzr.2011.59.67&linkid=pdf
- Moseley, M., Wyn, L.T. & Tshen, L.T. (2012). Fauna Reported from Batu Caves, Selangor, Malaysia: Annotated Checklist and Bibliography. 39 (2), 77-92
- Norshaqinah, A., Muzneena, A.M., Senawi, J. & Norhayati, A. (2018). Distribution and abundance of vertebrate animal road-kills on Pulau Langkawi, Kedah, Peninsular Malaysia. Malayan Nature Journal. , 9
- Shahfiz, M.A., Shahrul Anuar, M.S., Kaviarasu, M., Fauzi, M.Z. & Rizal, M.R. (2013). Preliminary Checklist of Mammals at Sungai Enam in Temengor Forest Reserve, Perak, Peninsular Malaysia. , 197-214
- Yap, J.L., Ruppert, N. & Rosely, N. F. N. (2019). Activities, Habitat Use and Diet of Wild Dusky Langurs, Trachypithecus obscurus in Different Habitat Types in Penang, Malaysia. Journal of Sustainability Science and Management 14 (4), 71-85. http://jssm.umt.edu.my/wp-content/uploads/sites/51/2019/09/7.pdf
Book
- A visitor's guidebook to Endau-Rompin (Johor) National Park, 2019. Johor National Parks Corporation and UNDP Malaysia. pp. 108.
- Heritage of Kubang Badak: Guide to Discover Kubang Badak Biogeotrail, 2018. Pusat Penyelidikan Langkawi, Universiti Kebangsaan Malaysia & Lembaga Pembangunan Langkawi, Malaysia. pp. 62.
- Pelan Pengurusan Hidupan Liar Putrajaya, 1998. PERHILITAN & Perbadanan Putrajaya, Malaysia. pp. 100.
- Permata Negeri Kedah: Hutan Ulu Muda, 2021. WWF-Malaysia. pp. 100.
- Abdul Rahman, A.R., Yahaya, M., Mohd Nasir, A.H., Muhamad, A. & Latiff, A. (2012). Hutan Simpan Gunung Belumut, Johor: Pengurusan Hutan, Persekitaran Fizikal dan Kepelbagaian Biologi. Jabatan Perhutanan Semenanjung Malaysia, Malaysia. pp. 271.
- Abdul Rahman, A.R., Koh, H.L., Muhamad, A., Wan Yusof, W.K. & Latiff, A. (2011). Hutan Simpan Melaka: Pengurusan Hutan, Persekitaran Fizikal, Kepelbagaian Biologi dan Socio-ekonomi. Jabatan Perhutanan Semenanjung Malaysia, Malaysia. pp. 315.
- Francis, C.M. (2008). A Field Guide To The Mammals Of South-East Asia. New Holland Publishers, England. pp. 392.
- Groves, C.P. (2001). Primate Taxonomy. Smithsonian Institution Press, Washington, DC., United States of America. pp. 350.
- Hambali, K & Wan Norazila, W.K (2019). Kera Ekor Panjang : Aspek Ekologi dan Kelakuan. Penerbit UMK. pp. 88.
- Khan, M.M. (1992). Mamalia Semenanjung Malaysia. Jabatan Perlindungan Hidupan Liar dan Taman Negara (PERHILITAN), Malaysia. pp. 182.
- Latiff, A., Maimon, A., Norhayati, A. & Jumaat, H.A. (2009). Bukit Fraser: Crown of the Titiwangsa Range. Penerbitan Pusat Penyelidikan Bukit Fraser, UKM, Bangi, Malaysia.
- Mohammad, M.S., Zainon, K & Zulfadhlan, A.K. (2013). Proceedings of The 2nd Temengor Scientific Expedition 2012. Pulau Banding Foundation, Selangor Darul Ehsan, Malaysia. pp. 388.
- Mohammad Khairi, A (2007). Taman Negara Pulau Pinang: Sinar Mutiara Belantara. Jabatan Perlindungan Hidupan Liar dan Taman Negara, Malaysia. pp. 112.
- Norhayati, A. & Chong, M.H.N. (2016). Amphibians, Reptiles and Mammals of Putrajaya Lake and Wetland. Perbadanan Putrajaya, Malaysia. pp. 100.
- Shaharuddin, M.I., Che, H.H., Mohd. Puat, Dahalan, Jalil, M.S., Norhaidi, Y. & Latiff, A. (2005). Hutan Simpan Ulu Muda, Kedah: Pengurusan, Persekitaran Fizikal Dan Biologi. Jabatan Perhutanan Semenanjung Malaysia, Malaysia. pp. 310.
- Shaharuddin, M.I., Dahalan, H.T., Abdullah Sani, Shafie, Jalil, M.S., Faridah-Hanum, I. & Latiff, A. (2005). Taman Negeri Gunung Stong, Kelantan: Pengurusan, Persekitaran Fizikal, Biologi dan Sosio-ekonomi. Jabatan Perhutanan Semenanjung Malaysia, Malaysia. pp. 442.
- Shahfiz, M.A., Chua, L.S.L. & Abdullah, M.T. (2022). Fauna in FRIM. Forest Research Institute Malaysia (FRIM), Malaysia.
- Tan, P.E., Norazlinda, A.R., Nosrat, R. & Saaban, S. (2015). Field Guides - Identification Key for Non-Volant Terrestrial Mammals of Peninsular Malaysia. Department of Wildlife and National Parks (DWNP) Peninsular Malaysia. pp. 56.
- Wan Shaharuddin, W.N, Ibrahim, S.N, Sivananthan, T.E., Gopalakrishnan, L & Chik Wan Ab Rahman, C.K.M.Z (2020). Corridors of Life: Connecting Wildlife within the Central Forest Spine (CFS). Department of Wildlife and National Parks Peninsular Malaysia, Kuala Lumpur.
Chapter in book
- Inventori Hidupan Liar di Putrajaya. In Pelan Pengurusan Hidupan Liar Putrajaya. PERHILITAN & Perbadanan Putrajaya. pp. 1-52.
- Curtin, S.H. (1980). Dusky and banded leaf monkeys. In Chivers, D.J. (Ed.), Malayan Forest Primates: Ten Years' Study in Tropical Rain Forest. Plenum Press: New York. pp. 107-146.
- Davison, G.W.H. & Akbar, Z. (2007). The Status of Mammalian Biodiversity in Malaysia. In Chua, L.S.L., Kirton, L.G. & Saw, L.G. (Eds.), Status of Biological Diversity in Malaysia and Threat Assessment of Plant Species in Malaysia: Proceedings of the Seminar and Workshop, 28-30 June 2005. Forest Research Institute Malaysia (FRIM). pp. 3-27.
Journal
- Asian Primates Journal, Volume 4, Issue 2, p. 60, 2014
- Malayan Nature Journal, Volume 73, Issue 3, p. 419, 2021
Online
- Catalogue of Life. Retrieved July 26, 2016, from http://www.catalogueoflife.org
- Boonratana, R., Traeholt, C., Brockelmann, W. & Htun, S. (2008). Trachypithecus obscurus. The IUCN Red List of Threatened Species 2008: e.T22039A9349397. Retrieved September 27, 2019, from http://dx.doi.org/10.2305/IUCN.UK.2008.RLTS.T22039A9349397.en
- Di Dario, F.IUCN Red List of Threatened Species. Retrieved November 30, 2016, from http://www.iucnredlist.org
- Downey, K. (2016). Dusky Langur Trachypithecus obscurus. Retrieved September 27, 2019, from https://www.neprimateconservancy.org/dusky-langur.html
Report
- Laporan Inventori Hidupan Liar Putrajaya 2019. Kementerian Air, Tanah dan Sumber Asli (KATS) dan Jabatan Perlindungan Hidupan Liar dan Taman Negara Semenanjung Malaysia (PERHILITAN), Malaysia. — [ Adobe PDF (PDF) ]
- Laporan Program Kajian Inventori dan Pengurusan Hidupan Liar Tahun 2017, Wilayah Persekutuan Putrajaya. Perbadanan Putrajaya & PERHILITAN, Malaysia.
- Report On Habitat And Ecological Research After Wavebreaker Project At Tanjung Piai Johor National Park. Perbadanan Taman Negara (Johor), Malaysia.
Unpublish
- Checklist of Biodiversity of Setiu (2019)
Related by Genus
Acknowledgements :- Mr. Abdul Razak Mohd Nor Rasid, Ms. Aida Salihah Binti Abu Bakar, Ms. Ainul Aqilah Binti Mohd Nasir, Ms. Ajla Rafidah Baharom, Mrs. Aziemah Binti Kinan, Mr. Badrul Amin Bin Jaffar, Dr. Muhammad Farhan Bin Abd Wahab, Ms. Norayuni Binti Ramlee, Ms. Norazah Binti Norddin, Mrs. Nur Hazwanie Binti Abd Halim, Ms. Nurfadzilah Bt Azmi, Ms. Nurfarhana Hizan Binti Hijas, Ms. Nurul Aimi Amirah Binti Mohd Zaki, Ms. Siti Zubaidah Binti Abdul Latif, Mr. Tan Kok Kiat & Mr. Yasser Mohamed Arifin
Photo credit :- Mohammad Shahfiz Azman & Nick Baker
Species Citation :- Trachypithecus obscurus. Malaysia Biodiversity Information System (MyBIS). Accessed via https://www.mybis.gov.my/sp/51637. [Retrieved 29 November 2023].
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