Rare Snake Species Discovered in India: Scientists Extend Known Range from Myanmar
In a significant boost to India’s biodiversity records, researchers from the Wildlife Institute of India have reported two snake species for the first time in India, expanding their known global distribution. The study documents the presence of Hebius gilhodesi and Herpetoreas davidi—both previously believed to exist only in neighboring Myanmar.
The findings, published in the Journal of Threatened Taxa, are based on a combination of mitochondrial DNA analysis and detailed morphological examination, providing strong scientific evidence for the presence of these species in India.
📍 Where Were These Snakes Found?
The two species were recorded in biodiversity-rich regions of Northeast India:
- Herpetoreas davidi was discovered in Ngengpui Wildlife Sanctuary, Mizoram
- Hebius gilhodesi was found in Namdapha National Park and Kamlang Tiger Reserve, Arunachal Pradesh
These regions are part of the Eastern Himalaya biodiversity hotspot, known for high species diversity and endemism.
🔬 What Makes This Discovery Important?
Until now, both species were only known from Myanmar. This study extends their known range:
- H. gilhodesi: extended by ~107 km
- H. davidi: extended by ~577 km
This suggests that the biodiversity of Northeast India is still underexplored, and many species may have wider distributions than previously thought.
Researchers also provided new insights into the anatomy and morphology of these snakes, including detailed descriptions that help in accurate species identification.
🌿 Why It Matters for Conservation
Discoveries like these are crucial for:
- Mapping species distribution accurately
- Designing better conservation strategies
- Understanding ecological connections between India and Southeast Asia
The presence of these snakes in India highlights the importance of preserving forest ecosystems in Arunachal Pradesh and Mizoram, which serve as critical habitats for rare and lesser-known species.
🔍 The Bigger Picture
This finding reinforces a growing realization among scientists:
👉 India’s northeastern region remains one of the least explored biodiversity frontiers in the world.
With advances in genetic tools and field surveys, researchers are increasingly uncovering hidden species and extending known ranges—reshaping our understanding of wildlife distribution.
📌 Study Reference
Dutta, S., Boruah, B., & Das, A. (2026). New record of two natricine snakes from India.
DOI: https://doi.org/10.11609/jott.10309.18.3.28479-28494
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