Zaw's Wolf Snake ( Lycodon zawi Slowinski, Pawar, W, Thin, Gyi, Oo & Tun, 2001 )

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Name
Scientific Name: 
Lycodon zawi (Slowinski, Pawar, W, Thin, Gyi, Oo & Tun, 2001)
Photographs: 
Zaw's Wolf Snake - Zaw's Wolf Snake : Full body profile
Distribution: 
In India it has been recorded from North-east region of Assam, Manipur, Meghalaya, Mizoram and Tripura. Also found in Bangladesh and Myanmar. Type locality: Alaungdaw Katapha National Park (AKNP) 22°19’ N, 94° 29’ E., Sagaing Division, Myanmar
Family: 
Characteristics for identification: 

Looks close to Common Wolf. In Lycodon zawi (Lycodon zawi) loreal scale does not touch internasal while in Lycodon aulicus (Common Wolf) loreal always in contact with internasal. Bands in Lycodon zawi are lesser in number which do not spread on side dorsals. Head of Locodon aulicus is more flatter and in most cases, the bandIn L. zawi loreal scale does not touch internasal while in Common Wolf Snake (L. aulicus) loreal always in contact with internasal. Bands in L. zawi are lesser in number which do not spread on side dorsals. Head of L. aulicus is more flattened and the band will be present on the neck which are absent in L. zawi. will be present on the neck too.

Description: 

Average length- 35cm.
Maximum length- 48cm.

Dorsal -
Body slender with shiny, subequal and smooth scales. Dorsal colour glossy brown with milky white or yellowish-white cross bands from posterior of neck upto end of tail where they usually become faint.

Ventral -
Belly creamy white with darker edge. Subcaudal scales paired in zig-zag manner.

Head -
Head depressed and broader than neck. Upper lip color brown or lighter than dorsal color. Eyes entirely black with vertically elliptical pupil.

Tail -
Normal length tail with faint bands; ends with pointed tip.

Scalation
Head: 
Supralabial 8 or 9; 3rd to 5th in contact with eyes; preocular 1; loreal 1, not in contact with internasal; postocular 1 or 2; temporal 2+3, 1+2, 2+1, 2+2 or 3+4.
Dorsal: 
Smooth scales in 17:17:15 rows.
Ventral: 
179-207; angulated laterally; anal divided.
Sub Caudal: 
45-75; paired.
Habitat: 
Remain hidden in narrow cracks, holes, caves, under heavy objects, rock piles during day time. Found moist and mixed decidious, evergreen and semi-evergreen forests. Lives in hills of low to moderate elevation. Habitat includes both dense forests and open hills forested with mixed vegetation. In many parts of its range it is confined to modified habitat and often seen around human houses. Prefers activity near to water streams.
Natural History: 
Zaw's Wolf Snake is a nocturnal and preferably a terrestrial species which is capable in climbing over rough surface. Behavior shy and usually non-offensive. Oviparous. No specific information is known about breeding biology.
Diet: 
Feeds on geckos and skinks.
Threats: 
Threats includes mortality on road and killing due to misidentification with some venomous snake (mostly Common Krait). Other threats are loss of habitat which are mainly hills of its range.
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