Fauna
Reptile · GBIF taxon 2444570

Himalayan Pitviper

Gloydius himalayanus

Also known as Himalayan Viper, Himalayan Ground Viper

Himalayan pitvipers are highly adapted alpine reptiles capable of surviving at higher altitudes than any other snake on Earth. They rely on specialized heat-sensing pit organs located between their eyes and nostrils to detect warm-blooded prey in freezing conditions. Dense ground coloration of greyish-brown blotches allows them to blend seamlessly into rocky Himalayan slopes, where they spend morning hours basking on sun-exposed scree.

High AltitudeVenomousAlpine
Himalayan Pitviper reference1 / 7
Licensed reference(c) Ramnarayan K, some rights reserved (CC BY), uploaded by Ramnarayan K · cc-by
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Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Key facts
Diet & prey
  • Small Rodents
  • Lizards
  • Frogs
Predators
  • Raptors
  • Corvids
  • Small Carnivores
ThreatsHabitat degradation and direct persecution by humans
HabitatsAlpine meadows, coniferous forests, rocky scree slopes
Life span10–15 years
Classification
  1. FamilyViperidae
  2. SpeciesGloydius himalayanus
Range & activity
Range data is not available yet.
Safe observation
Interaction riskVery high
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is very high
Venomous bite causes severe pain and localized swelling; maintain a safe distance and never attempt handling.
Why it is dangerous
Injects cytotoxic and hemotoxic venom that breaks down tissue and causes severe pain, swelling, and localized necrosis.
How to recognize a risky encounter
Recognizable by a triangular head, heat-sensing facial pits, and greyish-brown blotched patterns on a stout body.
What to do
Freeze and back away slowly if encountered on a trail; never reach under rocks or log piles without looking.
Responsible observation
  • Rocky Trails: Watch your step on exposed scree slopes and around loose stones where snakes bask.
  • Safe Distance: Maintain at least two meters clearance to avoid provoking a defensive strike.
  • Cold Mornings: Expect slower movement in early daylight before the snake warms up under the sun.
Related species
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