Long-nosed whip snake
In Thai: งูเขียวปากแหนบ, ngu khiaow pak naenb
Binomial name: Ahaetulla nasuta, Bernard Germain Étienne comte de La Ville-sur-Illon La Cépède, 1789
The green vine snake (Ahaetulla nasuta) ඇහැටුල්ලා (ahaetulla) in Sinhala, (పచ్చారి పాము) in Telugu, is a slender green tree snake found in India, Sri Lanka, Bangladesh, Burma, Thailand, Cambodia and Vietnam. Not to be confused with Oxybelis fulgidus, "green vine snake" found in Central and South America.
The green vine snake is diurnal and mildly venomous. The reptile normally feeds on frogs and lizards using its binocular vision to hunt. They are slow moving, relying on camouflaging as a vine in foliage. The snake expands its body when disturbed to show a black and white scale marking. Also, they may open their mouth in threat display and point their head in the direction of the perceived threat. There is a widespread myth in parts of southern India that the species uses its pointed head to blind its human victims.
The species is viviparous, giving birth to young that grow within the body of the mother, enclosed within the egg membrane. They may be capable of delayed fertilization (parthenogenesis is rare but not unknown in snakes) as a female in the London zoo kept in isolation from August, 1885 gave birth in August, 1888. The venom is mild and causes swelling. Symptoms will subside within three days.
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The Thai population of what once was Ahaetulla nasuta is unclear since Mallik et al. 2020 reviewed the species based on genetic analysis of the Indian and Sri Lankan populations. The population in South East Asia needs further research for clarification.
- Ahaetulla nasuta
- Long-nosed whip snake
- Long-nosed vine snake
- Long-nosed tree snake
- Green vine snake
- Thai: งูเขียวปากแหนบ, ngu khiaow pak naenb
- Ahaetulla nasuta, Van Stanley Bartholomew Wallach et al. (2014)
- Ahaetulla nautus sic, Vyas (2007)
- Ahaetulla nasutus, R.C. Sharma (2004)
- Ahaetulla nasuta, Merel J. Cox et al. (1998)
- Ahaetulla nasuta, Ulrich Manthey & Wolfgang Grossmann (1997)
- Dryophis nasutus, Malcolm Arthur Smith (1943)
- Passerita nasuta, Doris Mable Cochran (1930)
- Dryophis mycterizans rhodonotus, Frank Wall (1921)
- Dryophis mycterizans isabellinus, Frank Wall (1910)
- Dryophis mycterizans lepidorostralis, Frank Wall (1908)
- Dryophis mycterizans rhodogaster, Frank Wall (1908)
- Dryophis mycterizans cineroventer, Frank Wall (1908)
- Dryophis mycterizans tephrogaster, Frank Wall (1908)
- Dryophis mycterizans, George Albert Boulenger (1890)
- Dryinus fuscus, André Marie Constant Duméril & Gabriel Bibron (1854)
- Dryinus nasutus, André Marie Constant Duméril & Gabriel Bibron (1854)
- Dryiophis nasuta, Hermann Schlegel (1837)
- Dryophis hammatorhynchus, Leopold Fitzinger (1826)
- Dryinus russellianus, Thomas Bell (1825)
- Dryinus oxyrhynchus, Thomas Bell (1825)
- Dryinus nasutus, Blasius Merrem (1820)
- Ahaetulla mycterizans, Johann Heinrich Friedrich Link (1807)
- Coluber mycterizans, Patrick Russell (1796)
- Dryophis nasuta, Bernard Germain de Lacépède (1789)
- Coluber nasutus, Bernard Germain de Lacépède (1789)