Taxonomy

Animalia Chordata Vertebrata Amphibia Anura Ranidae Hylarana Hylarana nicobariensis

Taxonomic notes: This species was inadvertently named Fejervarya nicobariensis in the 2004 and 2006 IUCN Red Lists of Threatened Species. This species is named from the Nicobar Islands, and it is very likely that the animals on these islands will prove to be different from the populations in Southeast Asia (I. Das pers. comm.). In addition, the animals designated as Hylarana nicobariensis in the Thai-Malay Peninsula are a very different taxon from the 'nicobariensis' in Java and Bali, Indonesia.

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Geographic Range

This species is widespread in Southeast Asia, known from locations in Peninsular Thailand (Phangnga, Krabi and Nakhon Si Thammarat) and Peninsular Malaysia (Taylor 1962, Berry 1975 and Frith 1977) (which may be isolated), Indonesia (Siberut, Sumatra, Java, Bali, Kalimantan, Tawi-tawi and Jolo), Malaysia (Sabah and Sarawak) and the Philippines (Palawan (from which there have been no recent records), Balabac and Sibutu). It also occurs in India (from the Nicobar Islands: Car Nicobar, Teressa, Katchall, Nancowry, Kamorta, Pulo Milo, Little Nicobar and Great Nicobar (S.P. Vijayakumar pers comm.); and Arunachal Pradesh (Sarkar and Ray, 2006)). It occurs up to 1,200 m asl.

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Habitat

It is usually found in secondary-growth vegetation and human-modified habitats such as grassy or shrubby vegetation in swampy situations, disturbed environments, towns, cities and logging roads, but it also inhabit lowland and lower montane rainforests and swamp forest. Males call from ditches, flooded fields, and ponds. The species breeds in rainwater ponds, flooded fields, lowland swamps, tree holes, and roadside ditches.

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Population

It is fairly common throughout its range, except in Arunachal Pradesh, where it is considered to be rare.

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Use Trade

There are no records of this species being utilized.

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Threats

In the Nicobar Islands it is threatened by the loss of its forest habitat as a result of agricultural encroachment, expanding wood plantations, growing human settlements, and the construction of roads. However, there are no significant threats to the species overall.

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Specific Threats

  • 4.1 Roads & railroads
  • 2.1.2 Small-holder farming
  • 2.1.3 Agro-industry farming
  • 2.2.1 Small-holder plantations
  • 1.1 Housing & urban areas
  • 5.3.5 Motivation Unknown/Unrecorded

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Conservation Actions

The range of this species includes a number of protected areas, including the Great Nicobar Biosphere Reserve. A taxonomic evaluation of this species is required. It is protected by national legislation in India.

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Specific Actions

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    Red List Rationale

    Listed as Least Concern in view of its wide distribution, tolerance of a broad range of habitats and presumed large population.

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    Bibliography

    • Alcala, A.C. and Brown, W.C. 1985. Philippine Amphibians: An Illustrated Field Guide. Bookmark Press, Makati City, Philippines.
    • Berry, P.Y. 1975. The Amphibian Fauna of Peninsular Malaysia. Tropical Press, Kuala Lumpur, Malaysia.
    • Chan-ard, T., Grossmann, W., Gumprecht, A. and Schulz, K.-D. 1999. Amphibians and Reptiles of Peninsular Malaysia and Thailand - an illustrated checklist. Bushmaster Publications, Wuerselen, Germany.
    • Daniels, R.J.R. 1997. A field guide to the frogs and toads of Western Ghats, India. Cobra: 1-25.
    • Dubois, A. 1992. Notes sur la clasification des Ranidae (Amphibiens Anoures). Bulletin Mensuel de la Societe Linneenne de Lyon: 305-352.
    • Frith, D.W. 1977. A preliminary list of the amphibia of Phuket Island and adjacent mainland, Peninsular Thailand. Natural History Bulletin of the Siam Society: 189-199.
    • Frost, D.R. 1985. Amphibian Species of the World: A Taxonomic and Geographic Reference. Allen Press and the Association of Systematic Collections, Lawrence, Kansas.
    • Grandison, A.C.G. 1972. The Gunung Benom Expedition 1967: 5. Reptiles and Amphibian. Bulletin British Museum Natural History - Zoology: 45-101.
    • Inger, R.F. 1999. Distributions of amphibians in southern Asia and adjacent islands. In: W.E. Duellman (ed.), Patterns of Distribution of Amphibians: A Global Perspective, pp. 445-482. John Hopkins University Press.
    • Inger, R.F. and Stuebing, R.B. 1997. A Field Guide to the Frogs of Borneo. Borneo Natural History Publishers, Kota Kinabalu, Malaysia.
    • Iskandar, D.T. and Prasetyo, A.H. 1996. The amphibians and reptiles of Pini and Tanah Masa Islands, West Sumatra. Annual Report of the Field Biology and Training Project: 62-73.
    • Iskandar, D.T. and Setyantyo, D.Y. 1996. The amphibians and reptiles of Anai Valley, West Sumatra. Annual Report of the Field Biology and Training Project: 74-91.
    • Taylor, E.H. 1962. The Amphibian Fauna of Thailand. University of Kansas Science Bulletin: 267-599.

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