Species of Thailand

Common collared snake

Sibynophis collaris, John Edward Gray, 1853

(In Thai: งูคอขวั้นดำ, ngu khor khuan damm)

Sibynophis collaris, commonly known as the common many-toothed snake or the collared black-headed snake, is a species of colubrid snake endemic to South Asia.

Description

Rostral scale twice as broad as deep, just visible from above; suture between the internasals shorter than that between the prefrontals; frontal longer than its distance from the end of the snout, as long as the parietals or shorter; loreal as long as or a little longer than deep; one preocular; two postoculars, only the upper in contact with the parietal; temporals 1 (or 2) + 2; 9 or 10 upper labials, fourth, fifth, and sixth entering the eye; 4 lower labials in contact with the anterior chin shields, which are as long as the posterior chin shields. Dorsal scales smooth, without apical pits, in 17 rows. Ventrals 159-190; anal divided; subcaudals divided, 102-131.

Brown above, vertebral region greyish, usually with a series of small round black spots; head with small black spots or vermiculations above, and two black crossbands, one across the posterior part of the frontal and supraoculars, the other across the occiput; a large black nuchal spot or crossband, bordered with yellow posteriorly; a black line from the nostril to the nuchal spot, passing through the eye, bordering the white black-dotted upper lip. Lower parts yellowish, each ventral with an outer black spot or streak, which may be confluent on the posterior part of the body; anterior ventrals with a pair of median dots in addition.

Total length 29 inches (737 mm); tail 9.5 inches (241 mm).

Distribution

Sub-Himalayan India (Assam, Simla), Mizoram, Bangladesh, Nepal, Myanmar (Burma), Thailand, Laos, Vietnam, Cambodia, West Malaysia, China (SE Tibet and Yunnan), Taiwan and island of Jeju in South Korea (Type locality:Khasi Hills, India)

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Scientific classification

Kingdom
Animalia
Phylum
Chordata
Subphylum
Vertebrata
Class
Reptilia
Order
Squamata
Suborder
Serpentes
Family
Colubridae
Genus
Sibynophis
Species
Sibynophis collaris

Common names

  • German: Halsbinden-Vielzahnnatter
  • English:
    • Common blackhead
    • Common many-tooth snake
    • Collared blackhead
  • Thai: งูคอขวั้นดำ, ngu khor khuan damm

Synonyms

  • Sibynophis collaris, Van Stanley Bartholomew Wallach et al. (2014)
  • Sibynophis collaris, Nguyen Van Sang et al. (2009)
  • Sibynophis collaris, Merel J. Cox et al. (1998)
  • Sibynophis collaris, Ulrich Manthey & Wolfgang Grossmann (1997)
  • Sibynophis collaris, Malcolm Arthur Smith (1943)
  • Sibynophis collaris, Malcolm Arthur Smith (1930)
  • Polyodontophis collaris, Frank Wall (1908)
  • Polyodontophis collaris, George Albert Boulenger (1893)
  • Coluber colubrinus, Edward Blyth (fide Philip Lutley Sclater) (1891)
  • Polyodontophis collaris, George Albert Boulenger (1890)

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)

Photos

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Sibynophis collaris
Sibynophis collaris head

Range Map

Distribution map of Common collared snake, Sibynophis collaris in Thailand
  • Chiang Dao Wildlife Sanctuary
  • Doi Inthanon National Park
  • Doi Pha Hom Pok National Park
  • Doi Phu Kha National Park
  • Doi Suthep - Pui National Park
  • Huai Kha Khaeng Wildlife Sanctuary
  • Huai Nam Dang National Park
  • Kaeng Krachan National Park
  • Khao Yai National Park
  • Khlong Wang Chao National Park
  • Mae Sariang District, Mae Hong Son
  • Mae Wong National Park
  • Mueang Chiang Mai District, Chiang Mai
  • Nakhon Thai District, Phitsanulok
  • Pha Daeng National Park
  • Phu Hin Rong Kla National Park
  • Phu Khiao Wildlife Sanctuary
  • Phu Luang Wildlife Sanctuary
  • Phu Soi Dao National Park
  • Phu Suan Sai National Park
  • Sai Yok National Park
  • Sakaerat Environmental Research Station
  • Thung Salaeng Luang National Park
  • Thung Yai Naresuan Wildlife Sanctuary
Range map of Sibynophis collaris in Thailand