Abhijit Das

Abhijit Das
Wildlife Institute of India | WII · Endangered Species Management Department

Doctor of Philosophy

About

174
Publications
110,864
Reads
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825
Citations
Citations since 2017
136 Research Items
635 Citations
2017201820192020202120222023050100150
2017201820192020202120222023050100150
2017201820192020202120222023050100150
2017201820192020202120222023050100150
Additional affiliations
January 2005 - January 2011
Aaranyak
Position
  • Researcher
Description
  • Field survey, awareness camps
Education
March 2007 - November 2011
Utkal University
Field of study
  • Zoology
June 2000 - August 2002
Gauhati University
Field of study
  • Zoology

Publications

Publications (174)
Article
Full-text available
The Elongated Tortoise (Indotestudo elongata) is generally threatened by habitat loss, over-exploitation, and fire; however, little is known about its distribution and the specific threats it faces across its range. We used a presence-only species distribution model to determine the potential climatically suitable distribution for this species with...
Article
Full-text available
We report the rediscovery of the keelback snake Hebius pealii after 129 years from Arunachal Pradesh in Northeast India. We designate a lectotype for the species, and provide the first description of a female, of colour in life, and aspects of its natural history. Multilocus phylogenetic analyses of two mitochondrial (1071 bp cytb, 508 bp 16s) and...
Article
Full-text available
A new species of the natricine snake genus Smithophis Giri et al. 2019 is described based on three specimens collected from Arunachal Pradesh, India. An additional three referred specimens are documented. Smithophis arunachalensis sp. nov. differs from all known congeners by a combination of 4–5 (rarely 6) small scales around the eye (excluding lab...
Article
Full-text available
A new species of natricine snake of the genus Rhabdophis is described from Northeast India. Morphologically the new species is similar to Rhabdophis himalayanus but it can be distinguished from it by lacking a nuchal groove and nuchal glands, being relatively smaller, and having a distinct neck, ventral, and subcaudal coloration. In overall colorat...
Article
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We present a comprehensive inventory of amphibians from Panna Tiger Reserve in Madhya Pradesh based on morphological, molecular and bioacoustic data. Representatives of 15 anuran species were collected, corresponding to roughly four fifths of the known amphibian species of Madhya Pradesh. The main results of this study are: (1) Description of adver...
Article
Full-text available
A long-term monitoring programme to understand the impact of climate change on terrestrial herpetofauna of India. Hamadryad, in press. ABSTRACT. Anthropogenic climate change is likely to have wide ranging impacts on all aspects of life on earth. Among the many challenges posed by climate change, of particular importance to biologists is its impact...
Article
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Description of an unique breeding behaviour of Duttaphrynus himalayanus from Sikkim.
Article
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We studied the breeding and nesting behaviour of the endemic terai tree frog, Polypedates taeniatus in Uttar Pradesh state of India. We describe amplexus, spawning, unique ground nesting behaviour, and larval developmental stages of the species. Comparative reproductive behaviour of foam-nesting rhacophorids from India is also provided. The present...
Article
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We studied the morphological and genetic differences within Calotes jerdoni, a widespread species across northeast India. Our results suggest the presence of two distinct species in this region, one being Calotes jerdoni and the other being Calotes medogensis, which we report for the first time from India. We designate a lectotype for Calotes jerdo...
Article
We studied the morphological and genetic differences within Calotes jerdoni, a widespread species across northeast India. Our results suggest the presence of two distinct species in this region, one being Calotes jerdoni and the other being Calotes medogensis, which we report for the first time from India. We designate a lectotype for Calotes jerdo...
Article
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We report the deaths of overwintering tadpoles of Nanorana spp. during check dam maintenance events causing localised droughts along the Dhobhighat (Ringali Gad) stream, flowing through the Mussoorie Wildlife Sanctuary, Uttarakhand, India; and discusses the conservation issues and further research required in the scenario.
Article
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We present an updated inventory of the reptilian fauna of Dampa Tiger Reserve based on two separate field surveys during March and September 2021. We recorded 33 species of reptiles which is about 27% of the total reptilian diversity recorded from the state. This includes new distribution records for 16 snake species with observations on rare speci...
Article
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This natural history note describes tail bifurcation and bent tail tip in the overwintering tadpoles of Nanorana minica (Small Paa Frog) from India. Herpetological Review 53(3): 473-474.
Article
Understanding habitat availability and use patterns are essential in developing comprehensive conservation strategies for focal species. Studies on amphibian larval habitat use are limited, especially from modified habitats. We investigated the habitat availability and use patterns of overwintering tadpoles of the Nanorana frog in an anthropogenica...
Article
Full-text available
The global amphibian population decline has been linked to various factors among which overexploitation as food is one of the reasons. Amphibians have been a part of local delicacy in many parts of northeast India including Mizoram. Using a questionnaire survey involving 260 households, we documented that 11 species of anurans belonging to 4 famili...
Article
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Background: Most amphibians use a repertoire of acoustic signals to propagate signals in social contexts. The description of these repertoires provides a key towards the understanding of the behaviour of individuals and the evolutionary functions of calls. Here, we assessed the variations in advertisement calls within and between two fossorial symp...
Article
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We report the rediscovery of Oligodon melaneus 112 years after its original description and document the third, and only non-type, specimen for the species. The new specimen was found 267 km east of the type locality (Tindharia, West Bengal state) from Assam state, India. We designate a lectotype for the species, and provide an extended description...
Article
Delaying metamorphosis in low-temperature conditions by anuran larvae known as ‘overwintering’ have been poorly studied, especially in terms of habitat ecology and behavioural aspects. The present study investigates some of the ecological aspects of overwintering tadpoles of the genus Nanorana in the Western Himalaya in an anthropogenically modifie...
Technical Report
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This species has a restricted distribution (with an extent of occurrence below 120 km2 and an area of occupancy that, based on the extent of grassland habitats, will not exceed 50-70 km2) in Nepal, where it occurs entirely in Shuklaphantah National Park. It is assumed to occur in 2-5 locations, based on prescribed burning to maintain the grassland...
Technical Report
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This species is listed as Least Concern because it is relatively widely distributed, its population is presumed stable, is present in several protected areas, and because there are no major widespread threats currently affecting its population.
Technical Report
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This species has a restricted distribution in northeast India and southern Bhutan (extent of occurrence (EOO) = 16,384 km2) and there is continuing decline in the extent and quality of its habitat due to expansion of urban areas, tourism, and tea plantations. The number of locations cannot be determined as only two out of five localities are being...
Technical Report
Full-text available
This species is listed as Least Concern because it has a wide distribution and there are no known major threats currently affecting its population. However, taxonomic studies of the Nepalese population are required, if this population proves to be a different species, this assessment should be revised.
Technical Report
Full-text available
This species has a restricted distribution in northwest India and far western Nepal (extent of occurrence (EOO) = 12,442 km2) and it occurs in more than ten locations, based on the main threats affecting its population. There is continuing decline in the extent and quality of its habitat due to tourism and expansion of urban areas. It is therefore...
Technical Report
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This species is known only from a few specimens from the type locality in far western Nepal. There is a highway being constructed that will pass near the locality where this species was recorded and may impact a large portion of its population, potentially driving it to Critically Endangered or Extinct in a short period of time. It is therefore lis...
Technical Report
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This species is listed as Least Concern because it has a wide distribution in central and eastern Nepal and in northern and northeast India, and because it is unlikely that the identified threats are affecting the population to a degree that would warrant listing in a threatened category.
Technical Report
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Listed as Data Deficient, as although it appears to be widely distributed there is substantial confusion as to whether all of these records truly refer to this species. There are threats to the forests in the distribution and it remains unclear as to whether the species is declining or not.
Technical Report
Full-text available
This species is listed as Least Concern because it has a wide distribution and it is unlikely that any major threat is affecting its population. It may be locally impacted by habitat degradation and intentional killing, but due to the wide distribution, these cannot be considered major threats at present.
Article
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We present the first-ever annotated checklist on snakes of the proposed Jawai Community Conservation Reserve of southwestern Rajasthan, India. We opportunistically encountered 26 species of snakes during the year 2015 to 2017 from the study area. We have also collated a distribution synopsis for all the observed species with respect to the Rajastha...
Article
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Natricine snakes are geographically widespread, species rich (with ~250 extant species) and both morphologically and ecologically diverse. We present a multilocus DNA sequence phylogeny for 249 natricine specimens representing 189 named species, including 69 specimens and 21 species not previously sampled. Our inferred Bayesian and maximum likeliho...
Article
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Xenodermidae is a generally poorly known lineage of caenophidian snakes found in South, East and Southeast Asia. We report molecular phylogenetic analyses for a multilocus data set comprising all five currently recognised genera and including new mi-tochondrial and nuclear gene sequence data for the recently described Stoliczkia vanhnuailianai. Our...
Article
Full-text available
Xenodermidae is a generally poorly known lineage of caenophidian snakes found in South, East and Southeast Asia. We report molecular phylogenetic analyses for a multilocus data set comprising all five currently recognised genera and including new mi-tochondrial and nuclear gene sequence data for the recently described Stoliczkia vanhnuailianai. Our...
Book
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This compendium contains articles on History of Abor Expedition, birds, Butterflies, Odonates, Herpetofauna and Mammals backed up by stunning photographs of Dhritiman mukherjee.
Article
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This species is mainly distributed in the major river systems of the Indus, Ganges and Brahmaputra Rivers of Pakistan, India, Nepal, Bhutan, and Bangladesh. Throughout its range, the species' population has been heavily impacted by illegal collection for meat consumption and for its skin. Given that the area where it occurs coincides with the highe...
Conference Paper
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Abstract of the conference oral presentation which won the 'Best Oral Presentation Award' instituted by the Student Naturalists Association, Jagiellonian University. Keywords: amphibian, metamorphosis, cold, development, life-history strategy, plasticity, modification
Article
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Blood on the Track: A case of Mugger (Crocodylus palustris) mortality in Jawai, Rajasthan, India
Article
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The article describes the first record of interspecific amplexus between a male Himalayan Toad (Duttaphrynus himalayanus) and an adult Himalayan Paa Frog (Nanorana vicina) of unknown sex.
Article
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We describe a new species of Stoliczkia from Mizoram, India. Stoliczkia vanhnuailianai sp. nov. is identified as a member of the genus Stoliczkia by distinct scale arrangements on the posterior of the head, and by scales on the body being separated by scaleless skin, and it differs from the two known congeners in body and head scalation. This is on...
Article
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Distribution and population status of Mugger Crocodiles from Similipal, Odisha
Article
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First distributional record of black-bellied coral snake (Sinomicrurus nigriventer) from Uttarakhand, north India.
Article
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The phylogenetic position of Amolops monticola, a cascade frog species known for over 150 years, remains unknown. Yet over the years new taxa have been frequently described in the ambiguously recognised A. monticola species group, based on morphology and presumed phylogenetic affinities. Here we report fresh collections of A. monticola from the Ind...
Article
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We review the historical and current distribution for Cantor's giant softshell turtle (Pelochelys cantorii) in India. We report 13 new records from Kerala State. Based on our intensive survey in Kasaragod District, we report a potential breeding population from this region.
Poster
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Freshwater Turtles of Ganga River
Chapter
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Taxonomic and Distribution information of Rat Snakes of Northeast India
Book
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The book describes and depicts various wildlife friendly mitigation measures and structures needed during linear infrastructure development.
Cover Page
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A photographic guide to the Reptiles of Indian Subcontinent
Technical Report
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Diversity and Distribution of herpetofaunal Species along Ganges River Basin, India.
Poster
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The gharial (Gavialis gangeticus) is a large piscivorous crocodilian, once abundant across N. India, Pakistan, Nepal, Bangladesh, Bhutan, and Myanmar. Gharial have been extirpated except for a few populations in India and Nepal. Katerniaghat Wildlife Sanctuary (KWS), on the Indo-Nepal border in the Indian state of Uttar Pradesh, contains one of the...
Data
Microhyla ornata species complex
Cover Page
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Amphibians and Reptiles of Northeast india
Cover Page
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Research manual on herpetology
Poster
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Impact of road network on movement of toad
Article
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Distribution of Oligodon kheriensis in Assam
Chapter
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Popular article on Herpetofauna of Adi Hills in Arunachal Pradesh
Article
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Lycodon mackinnoni is a poorly known Himalayan endemic snake known from Western Himalaya. Since the original description of L. mackinnoni almost 112 years ago, this species was not reported from its type locality and its phylogenetic position remain unknown. We herein, provide detail morphological description, comparison with type material, phyloge...
Technical Report
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This species is distributed in Chin State in Myanmar, Assam, Meghalaya, Nagaland, Mizoram, and Manipur) in India, eastern Bhutan (Mongar, Lhuentse), and southern China (Das 2010, Das and Das 2017). In Myanmar, recent records also exist from Kachin and Saigang States in Myanmar (G. Wogan, unpubl. data). Records have been taken from 573 to more than...
Article
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We report a rare skipper butterfly from Kalesar National Park, Haryana, which is the first record for the state and the lowermost elevation record for the species.
Technical Report
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This is a rare species that is only occasionally collected. However, it covers a wide geographic range from Nepal to Yunnan province in China, including Bhutan and northern Myanmar. Although it is likely used by people, due to its apparent rarity compared with other members of this genus, levels of exploitation are likely to below, and threats to i...
Technical Report
Full-text available
This species is listed as Least Concern because it is widely distributed, its population is presumed stable and because there are no major widespread threats currently affecting its population.
Code
This species is endemic to Central Bhutan where it is known from only one locality. It was described in 1975 from only one specimen and it is confused with Calotes versicolor, which is a widespread species that usually occurs below 1,000 m asl. Genetic studies are needed to determine the validity of this species. It is therefore listed as Data Defi...
Article
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In a recent study, Hortal et al. (2015) recognized seven shortfalls of knowledge that hamper our understanding of biodiversity. Three of these are of particular importance for drawing conservation strategies for ecological indicator species, among which we can count the amphibians (Simon et al. 2011): the Linnean shortfall describes ‘the knowledge...
Article
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In the present study, we document the distribution range for the species to address the ‘Wallacean shortfall’ of the species based on the fresh field collections (in the northern Karnataka region, Maharashtra, Delhi and the regions around Panna, Chhatarpur districts of Madhya Pradesh), published literature (Dahanukar et al. 2017; Prasad et al. 2019...