Long-Snouted Vine Snake

April 5, 2025

Recently, a rare long-snouted vine snake (Ahaetulla longirostris) was rediscovered in the Dudhwa Tiger Reserve, Uttar Pradesh. This marked its first documented sighting in the state and only the second recorded instance in India. The discovery occurred during a rhino release operation in the Palia division.

Identification Features

The long-snouted vine snake is characterised by its long, slender body, which can be green or brown.
A prominent feature is its elongated nose, known as the rostrum. This adaptation aids in camouflage among tree branches and leaves.
The snake is mildly venomous, but its poison poses minimal danger to humans.

Habitat and Behaviour

Ahaetulla longirostris primarily inhabits trees, allowing it to blend seamlessly into its environment.
The snake’s ability to hide among foliage makes it an effective predator.
Its rediscovery in Dudhwa signifies the importance of tree-dominated habitats in supporting diverse wildlife.

Dudhwa Tiger Reserve

Dudhwa Tiger Reserve is located in the Terai region of Uttar Pradesh, near the Indo-Nepal border. It comprises Dudhwa National Park, Kishanpur Wildlife Sanctuary, and Katarnia Ghat Wildlife Sanctuary. Established under Project Tiger, the reserve serves as a critical habitat for the Royal Bengal Tiger. The area is rich in biodiversity, supporting species such as the Indian rhinoceros, swamp deer, and various birds.

Future Research Opportunities

This rediscovery opens avenues for further research on Ahaetulla longirostris. Understanding its behaviour, ecology, and distribution can contribute to conservation strategies. Ongoing studies will help assess the species’ population status and habitat requirements. Researchers aim to monitor the snake’s role within the ecosystem and its interactions with other species.

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