Günther's Writhing Skink Lygosoma guentheri is a species of skink which is found in India, having been known to occur in localities of erstwhile Bombay Presidency such as Matheran, Sholapur, Kurduwadi, Belgaum and Uttara Kannada.
Oligodon arnensis (Shaw, 1802), banded Kukri is regular black or deep dark brown bands (characteristic chevron mark on top of the head) with greyish tint present on brown dorsal, from head to tail where they may become faint. Juveniles have dense bands as compared to adults. Eyes have rounded pupil. Habitat includes forest, dense vegetation having loose roots, garden, agricultural lands, lands scattered with rocks. Activity nocturnal and terrestrial, and feeds on small prey including insects, larvae, reptile eggs, small rodents, geckos, skinks etc. Sharp Kukri knife shape teeth present on back side of mouth which are useful to tear eggs from side. Major threats they are often mistaken for kraits killed.
Russell’s Kukri Snake Oligodon taeniolatus (Jerdon, 1853), these snakes are non-venomous. Sharp blade like, flattened teeth are present which are curved in side similar to (Indian tribe known as Gurkhas) use knives named kukri. The diet consists of soft bodied insects, spiders, amphibian eggs, small lizards and reptiles. Distinct neck is present with an oval shaped head. Blunt snout & nostrils are small and rounded pupils contain in eyes. Head contain an arrow shaped marking. Dorsally dark brown with a light coloured brown line and white run along the body which starts from the neck to tail. Ventral body is cream colour with no patches. These snakes may also be active in rainy nights. They are found under decaying leaves, trunks, stones and tree hollows. They are most commonly found near roads. When threatened they flatten the head & the body, but does not attack. They are oviparous snakes laying 3-9 eggs in late June. At birth 150mm & grow up to 300-450mm adult. IUCN Red list category and criteria: Least concern.
The Malabar Pit viper Trimeresurus malabaricus (Jerdon, 1854), is also referred to as the rock viper or the malabar rock pitviper, endemic to Western Ghats, found in Western Ghats of Tamil Nadu, Karnataka, Kerala, Maharashtra and Goa. The elevation range of 600-2000 m and are typically abundant during the monsoon season. They are characterised by the presence of a triangular head and heat-sensing pit organs located between the eye and the nostril on either side of the head. The pits are openings to a pair of very sensitive infrared detecting organs, which helps them to find the small warm-blooded prey on which they feed, mainly small rodents, frogs, geckos, skinks and smaller snakes (Whitaker and Captain 2004). Venom type is Haemotoxic, the bite of this snake is generally not life-threatening. The venom may cause pain and swelling but is known to subside after a day or two. Red list category and criteria: Least concern.
Eryx johnii is a nonvenomous boa species endemic to Iran, Pakistan, and India. The type locality given is "Tranquebar" (Tanjore, Trichy district, southeastern Madras, India). The common name is red or brown sand boa. The head is wedge-shaped with very small eyes and narrow nostrils. The body is cylindrical in shape with small polished dorsal scales. The tail, which is blunt, rounded, and not distinct from the body, appears truncated. Coloration varies from reddish-brown to dull yellow-tan. These snakes are rather timid and shy, and bites have never been reported. (Near Vaigai Mens Hostel, Bharathidasan University)
The Sind saw-scaled viper (Echis carinatus sochureki) is considered a dangerous snake, despite its relatively small size with an aggressive temperament, a lightning-fast strike and powerful venom. The Sind saw-scaled viper is distinguished by a prominent, dark brown, arrow-shaped marking on the head and is covered in small, heavily keeled scales. Three or four enlarged scales form a slight ridge above each eye. The body is tan, greyish or brown in colour, with a row of 30 whitish blotches with dark brown edges running along the back, while the underside is whitish with dark grey spots. When threatened, it first assumes a characteristic defensive position, curling its body into a series of C-shaped coils which are rubbed against each other in opposite directions to produce a loud, rasping warning ‘hiss’. (Near SBI, Bharathidasan University)
Hypnale hypnale (Merrem, 1820) is a venomous pitviper species endemic to Peninsular India to the Western Ghats (KMTR) and Sri Lanka. It grows to an average of 30– 45 cm in total length. Its build is that of a typical viperid with a stout body and a wide head. The snout is pointed and turned upwards, ending in a hump. The color pattern is grayish with heavy brown mottling, overlaid with a double row of large dark spots. Common name: Hump–nosed pit viper.
Uropeltis arcticeps (Gunther, 1875) is endemic to India and it occurs in tropical evergreen forests (1,500 m asl), in the Western Ghats, Kalakad-Mundanthurai Tiger Reserve ,Tamil Nadu, INDIA, (Ishwar et al. 2001). Common name is (Tinevelly Uropeltis). IUCN-Red List Category & Criteria: Least Concern.
Ahaetulla nasuta (Bonnaterre, 1790) green vine snake is a slender green tree snake found in the Western Ghats, Kalakad-Mundanthurai Tiger Reserve ,Tamil Nadu, INDIA. The green vine snake is diurnal and mildly venomous, normally feeds on frogs and lizards using its binocular vision to hunt. The snake expands its body when disturbed to show a black and white scale marking. There is a widespread myth in parts of southern India that the species uses its pointed head to blind its human victims.