Status, distribution and research gaps of rodents (Mammalia: Rodentia) in North-Eastern States of India
Open accessAbstract
In North Eastern states of India (NE India) there are almost 65% of mammal species of the country but baseline information on small mammals, particularly rodents, for the region is scanty. Present study recorded a total of 59 species of rodents from the NE India out of 100 species reported from Indian Subcontinent. The list contains all the valid taxonomic names and their distribution in the states of NE India. Additionally, five species has been added to the checklist of rodents in India. The list provided 59 species belonging to 30 genera under 5 families of 7 subfamilies. Among them Muridae was recorded to be with highest number of species (31 species), followed by Sciuridae with 22 species, Cricetidae with three species, while Spalacidae and Hystricidae have recorded only two species in each group. Among the eight states of NE India the highest number of species was recorded from Arunachal Pradesh (76 %) and the lowest, from Tripura (22%). Two Threatened, three Near Threatened, two Not Listed and six Data Deficient species have been listed from the present work with four endemic species from this region. The findings of this study indicated the requirements for intensive and extensive surveys in the north-eastern States of India and taxonomic revisions of many species.
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This shortfall is most evident in parts of Africa, Asia, and South America, such as West and Central Africa, the Amazon Basin, Central Asia, most of India, and some Indonesian islands.
“This is most evident in parts of Africa, Asia, and South America, such as West and Central Africa, the Amazon Basin, Central Asia, most of India, and some Indonesian islands (e.g., Java, Sumatra, Borneo), supporting calls for regional taxonomic work (e.g., Klopper et al. 2002; Chatterjee et al. 2020; Monadjem et al. 2024).”
From How many mammal species are there now? Updates and trends in taxonomic, nomenclatural, and geographic knowledge (2025) · cites this paper as Chatterjee et al. 2020
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Burgin, C. J., Zijlstra, J. S., Becker, M. A., Handika, H., Alston, J. M., Widness, J., Liphardt, S., Huckaby, D. G., & Upham, N. S. (2025) · Journal of Mammalogy · doi:10.1093/jmammal/gyaf047 · Cited by 28 · see citing works
- Authors
- Chatterjee, P., Dam, D., Tripathy, B., & Chandra, K.
- Affiliations
- Zoological Survey of India (IN)
- Corresponding author
- Chatterjee, Paromit
- Venue
- Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa”
- Publisher
- Pensoft Publishers
- Published
- 2020-12-31
- Volume
- 63
- Issue
- 2
- Pages
- 261-277
- ISSN
- 1223-2254 (ISSN-L)
- 2247-0735
- OpenAlex
- W3114293573
- Cited by
- 4
- References
- 0
- Citations by year
- 2025: 2 · 2023: 1 · 2021: 1
- FWCI
- 0.29
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Licence
- Locations
- Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa” (publishedVersion, cc-by)
- ZooKeys (submittedVersion, other-oa)
- Biodiversity Heritage Library (Smithsonian Institution) (submittedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Zenodo (CERN European Organization for Nuclear Research) (submittedVersion, cc-by)
- Funders
- Ministry of Environment, Forest and Climate Change
- Topics
- Physical Sciences › Earth and Planetary Sciences › Paleontology › Evolution and Paleontology Studies
- Physical Sciences › Environmental Science › Ecology › Animal Ecology and Behavior Studies
- Physical Sciences › Environmental Science › Ecology › Wildlife Ecology and Conservation
- Keywords
- rodents, small mammals, species checklist, species distribution, Northeast India, Arunachal Pradesh, Muridae, Sciuridae, Cricetidae, Spalacidae, porcupines, threatened species, endemic species, taxonomic revision, research gaps
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