Rainer Hutterer. Zoologisches Forschunginstitut und Museum Alexander Koenig, Adenauerallee 160, 53113 Bonn, Germany
Wilson, Don E., and DeeAnn M. Reeder, eds. 2005-10-01. Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vols. 1 & 2. Johns Hopkins University Press. Baltimore, Maryland, USA. 2142. 0-8018-8221-4. .
Wilson, Don E., and DeeAnn M. Reeder, eds. 1992-01-01. Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing. Smithsonian Institution Press. Washington, DC, USA. xviii + 1207. 1-56098-217-9. Corrections were made to text at 3rd printing.
Wilson, Don E., and F. Russell Cole 2000-01-01. Common Names of Mammals of the World. Smithsonian Institution Press. Washington, DC, USA. xiv + 204. 1-56098-383-3. With contributions by Bernadette N. Graham, Adam P. Potter, and Mariana M. Upmeyer.
Wilson & Reeder, eds. (2005): Status: IUCN - Lower Risk (lc)
Wilson & Reeder, eds. (2005): Comments: A species highly adapted for a semi-aquatic life (Hutterer, 1985). Includes sikhimensis, see Ellerman and Morrison-Scott (1951) and Hoffmann (1987). Reviewed by Hutterer (1993b)
