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Long-nosed Whip Snake

01 May

Ahaetulla nasuta

Long-nosed Whip Snake Ahaetulla nasuta

Long-nosed Whip Snake in tree in Phayao Province

Green Vine Snake Ahaetulla nasuta

Long-nosed Whip Snake as originally found crossing road

Long-nosed Whip Snake Ahaetulla nasuta head

Head shot of Long-nosed Whip Snake

Green Vine Snake Ahaetulla nasuta head front

Head view of Long-nosed Whip Snake from front

Indian Whip Snake Ahaetulla nasuta Bangladesh Sunderbans

Long-nosed Whip Snake found in tree in Bangladesh

Common Whip Snake Ahaetulla nasuta Bangladesh Sunderbans

Long-nosed Whip Snake gaping mouth

Long-nosed Whip Snake Ahaetulla nasuta

Long-nosed Whip Snake in Chonburi Province (photo courtesy of Ray Hamilton)

Long-nosed Whip Snake Ahaetulla nasuta

Juvenile Long-nosed Whip Snake found in grass in Dok Mai

Juvenile Green Vine Snake Ahaetulla nasuta head from above

Long-nosed Whip Snake head from above

Long-nosed Whip Snake Ahaetulla nasuta head shot

Long-nosed Whip Snake head shot (photo by Mathias Holm)

English name: Long-nosed Whip Snake (aka “Green Vine Snake”)
Scientific name: Ahaetulla nasuta
Thai name: Ngu Kieo Pak Nab

Description: To 190cm long. Long, extremely slender body ends in a long tail. Elongate head is shaped like an arrowhead, coming to a pointed tip at the snout with an extended scale forming the “nose”. Eyes are large and have horizontal pupils. Body is light green to brown above and white to green below. Sometimes exposes white and black markings on the upper body when disturbed.

Similar Species: Oriental Whip Snake lacks final protruding scale at the end of the “long-nose”.
Golden Tree Snake is not as slender, has black markings, and lacks the characteristic pointed snout.
Green pit vipers (Cryptelytrops albolabris and Cryptelytrops macrops) are not as slender and have a broader head and pits behind their nostrils.

Habitat: Forests, grasslands, and everywhere in between. In Bangkok can be found in agricultural areas, empty lots, parks, and gardens.

Contribution to the ecosystem: Helps to control Bangkok’s rodent, frog, and lizard populations. Also eats birds and small snakes. Provides food for birds of prey and larger snakes.

Danger to humans: Not dangerous to humans. Though it has a weak venom, it only takes effect if the snake is able to chew for an extended period of time and is not potent enough to cause symptoms past itchiness and mild swelling.

Conservation status and threats: No known conservation issues. Has adapted well to human encroachment, and its ability to blend in to its surroundings allow it to remain relatively unmolested by humans. However, its long length and slow speed make it a frequent victim of cars.

Interesting facts: Though its slender body gives the impression of speed, the Long-nosed Whip Snake is actually very slow-moving, instead relying on its camouflage to avoid predators and surprise prey.

References:
Siam-Info: Whip Snakes
Wikipedia: Ahaetulla nasuta
Sri Lanka Reptile: Ahaetulla nasuta
Thailand Office of Environmental Planning and Policy: A Checklist of Amphibians and Reptiles in Thailand
A Photographic Guide to Snakes and Other Reptiles of Peninsular Malaysia, Singapore and Thailand
Snakes of Thailand and their Husbandry

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2 responses to “Long-nosed Whip Snake

  1. Tom Harmon

    September 2, 2013 at 11:05 pm

    Found one today in one of my bushes in the backyard in Hua Hin Thailand.

     
  2. Olav Bremnes

    December 20, 2013 at 11:21 pm

    Found one yesterday i Bang Sare, Thailand

     

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