Indian Wolf Snake

Lycodon aulicus

Description 3

INTRODUCTION

  • Non Venomous
  • Commonly seen around houses lured be geckos.
  • Get their name from long, sharp front teeth similar to those of a wolf.

IDENTIFICATION

  • Small, slender snakes with smooth scales and white unmarked belly.
  • Color is mostly greyish brown while some individuals are even black.
  • Have somewhat thick bands usually white, some have bands with a yellowish tinge.
  • Distinct flattened head broader than neck, dark eyes with pupil invisible.
  • Often confused with Kraits as both have bands. Can easily be distinguished : Wolf snakes have broader & flatter heads, slightly thicker bands. Usually brown or grey, but a few can be black like kraits. Most importantly, Wolf snakes DO NOT have large hexagonal vertebral scales along it's back like kraits.

DISTRIBUTION AND HABITAT

  • Common throughout India and the most widespread species in India.
  • Inhabit variety of dense forests, open forests, rocky terrain and human habitations.
  • Hide in dry & secure places like cracks, under large rocks, bark and crevices near houses.
  • Remain hidden during day, climb trees and rocks in night in search of prey.

DIET AND BEHAVIOR

  • Highly prefer geckos & skinks. Sometimes eat frogs & rodents.
  • Nocturnal and great climbers foraging for geckos in the night.
  • Alert & tries to escape on confrontation. Coils up body hiding it's head.
  • Quite aggressive, they bite repeatedly on handling. Bites from big ones can be painful.

Other Wolf Snakes 3

Apart from the Indian Wolf Snake, 7 other species are found in Peninsular India. The snakes mentioned below are not as common but very similar to the Indian wolf snake in Diet, Habitat & Behavior. All have flattened head & jet-dark eyes. Major differences are color pattern, banding & distribution.

  • Barred Wolf Snake (Lycodon striatus) :
    -> Found Throughout India. Second most commonly found species of wolf snake in India.
    -> Usually have jet-black dorsal with white bands, sometimes with yellowish tinge.
    -> Indistinguishable from black individuals of the Indian Wolf Snake without a proper scale count.
    -> More often confused with Kraits due to black coloration.

  • Flowery Wolf Snake (Lycodon anamallensis) :
    -> Found across hilly forests of Southern India and even Sri Lanka. Also called the Slender Wolf Snake.
    -> Have yellowish white bands and don't have a collar behind neck like Lycodon aulicus and Lycodon striatus do.

  • Travancore Wolf Snake (Lycodon travancoricus) :
    -> Found in the Western Ghats.
    -> Most specimens have bright yellow bands, very rarely yellowish-white and obscure collar.

  • Vellore Bridal Snake (Lycodon nympha) :
    -> Found from Kerala to hilly Eastern Ghats of Tamil Nadu, Andhra Pradesh and Odisha too.
    -> Greyish-brown dorsal with bright yellowish bands which are usually much thicker than those of other wolf snakes.

  • Scarce Bridal Snake (Lycodon gracilis) :
    -> Found from Kerala to hilly Eastern Ghats of Tamil Nadu, Andhra Pradesh, very rarely seen.
    -> Have yellowish and much thicker bands than other wolf snakes. Looks very similar to the Vellore bridal snake.

  • Yellow Spotted Wolf Snake (Lycodon flavomacuatus) :
    -> Found in the Western Ghats.
    -> Have dark and almost jet-black dorsal coloration and bright yellow spotted bands across.

  • Yellow Collared Wolf Snake (Lycodon flavicollis) :
    -> Found in the Western Ghats.
    -> Have a distinctive, bright, thick yellow collar behind neck.
    -> Bands across body a very dull and absent in some individuals. Dorsal coloration is usually greyish brown.

Sources and Credits

  1. (c) Mayuresh Kulkarni, some rights reserved (CC BY-NC), uploaded by Mayuresh Kulkarni
  2. (c) Vinay Gogula, all rights reserved, uploaded by Vinay Gogula
  3. (c) Vinay Gogula, some rights reserved (CC BY-SA)

More Info

iNat Map

Found Common
Toxicity Non-Venomous