Nilgiri Keelback

Nilgiri keelback
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Subfamily: Natricinae
Genus: Amphiesma
Species: A. beddomei
Binomial name
Amphiesma beddomei
(Günther, 1864)
Synonyms

Tropidonotus beddomii Günther, 1864

The Nilgiri keelback (Amphiesma beddomei) is a species of snake found in the Western Ghats in India. The species is named after Richard Henry Beddome, 1830–1911, British army officer and botanist.

This snake is an endemic species and it was first discovered near the Nilgiris but found also in the Western Ghats. This snake is terrestrial and feeds on toads.

Description

See snake scales for the terminology used

Eye moderate, its diameter in the adult equalling its distance from the nostril; rostral just visible from above; suture between the internasals as long as that between the prefrontals; frontal larger than its distance from the end of the snout, a little shorter than the parietals; loreal as long as deep or deeper than long; one preocular; three (rarely two) postoculars; temporals 1+1 or 1+2; upper labials 8 or 9, third, fourth and fifth, or fourth, fifth, and sixth entering the eye; 5 lower labials in contact with the anterior chin shields, which are shorter than the posterior. Scales in 19 rows, rather strongly keeled, the outer however, perfectly smooth. Ventrals 131-150; anal divided ; subcaudals 65-75. Brown above; a series of yellow spots, each between two black spots or short transverse bands, along each side of the back; upper labials yellowish with black sutures; a yellow; black-edged, oblique streak from the eye to the gape; a yellow band across the nape, behind the parietals, becoming indistinct with age; belly white, closely dotted with brown on the sides. Total length 51-66 cm (20-26 in.), tail 13-19 cm (5-7½ in).[1]

References

  1. ^ Boulenger, G.A. 1893. Catalogue of the Snakes in the British Museum (Natural History) Volume I. London.

External links