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Range DescriptionThis species is endemic to the Nicobar islands, India (Molur et al. 2002) and is presently known from six islands in the group (Nancowry, Teressa, Comorta, Bompuka, Katchal, Trinkat totaling an area of 580.3 kmÂ²) of 14 islands recently surveyed (Aul and Vijaykumar 2003). At present it is not known if the species can move between the six islands in its range, or whether it is highly fragmented (Sanjay Molur pers. comm. 2008) It has been recorded up to an elevation of 200 m asl. The extent of occurrence is approximately 2,500 kmÂ² calculated based on the distance between the islands, and the area of occupancy is a maximum of 580 kmÂ² and is likely to be considerably less than this.