Thai National Parks

Species of Thailand

Common bridle snake

Lycodon davisonii

(William Thomas Blanford, 1878)

In Thai: งูปล้องฉนวนอินเดีย (ngoo plong cha-nuan India)

Blanford's bridle snake (Lycodon davisonii), also known commonly as Blanford's bridal snake, is a species of harmless snake in the family Colubridae. The species is endemic to Asia. Blanford's bridle snake is so named because its slim body resembles the bridle used to control horses.

Geographic range

L. davisonii is found in Cambodia, southern China, Laos, Myanmar, Thailand, and Vietnam.


The specific name, davisonii, is in honor of British ornithologist William Ruxton Davison.


The preferred natural habitat of L. davisonii is forest, at altitudes from sea level to 1, 500 m.


L. davisonii is terrestrial, semiarboreal, and nocturnal.


L. davisonii preys upon geckos and other small vertebrates.


L. davisonii is oviparous.

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Scientific classification

Lycodon davisonii

Common names

  • German: Nördliche Zügelnatter
  • English:
    • Common bridle snake
    • Bridle snake
    • Blanford's bridal snake
  • Thai: งูปล้องฉนวนอินเดีย (ngoo plong cha-nuan India)


  • Dryocalamus davisonii, WICKRAMASINGHE et al. (2020)
  • Lycodon davisonii, FIGUEROA et al. (2016)
  • Lycodon davisonii, Alex Figueroa et al. (2016)
  • Dryocalamus davisonii, Van Stanley Bartholomew Wallach et al. (2014)
  • Dryocalamus davisonii, Nguyen Van Sang et al. (2009)
  • Dryocalamus davisoni, Tanya Chan-Ard et al. (1999)
  • Dryocalamus davisonii, Merel J. Cox et al. (1998)
  • Dryocalamus davisonii, Malcolm Arthur Smith (1943)
  • Dryocalamus davisonii, George Albert Boulenger (1893)
  • Hydrophobus davisonii, George Albert Boulenger (1890)

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)


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Dryocalamus davisonii
Dryocalamus davisonii
Lycodon davisonii - Kaeng Krachan District, Phetchaburi
Dryocalamus davisonii (creamy coloration)
Dryocalamus davisonii (creamy coloration)
Dryocalamus davisonii (yellow bands)
Dryocalamus davisonii (black/white)

Range Map

Distribution map of Common bridle snake, Lycodon davisonii in Thailand
  • Amphawa District, Samut Songkhram
  • Ban Dung District, Udon Thani
  • Ban Laem District, Phetchaburi
  • Ban Lat District, Phetchaburi
  • Ban Rai District, Uthai Thani
  • Bang Krathum District, Phitsanulok
  • Bang Pa In District, Phra Nakhon Si Ayutthaya
  • Bang Phae District, Ratchaburi
  • Bangkok Province
  • Buachet District, Surin
  • Cha-Am District, Phetchaburi
  • Chai Badan District, Lopburi
  • Chaloem Phra Kiat District, Saraburi
  • Chiang Dao District, Chiang Mai
  • Chiang Muan District, Phayao
  • Chom Bueng District, Ratchaburi
  • Det Udom District, Ubon Ratchathani
  • Erawan National Park
  • Hot District, Chiang Mai
  • Huai Kha Khaeng Wildlife Sanctuary
  • Huai Yot District, Trang
  • Kaeng Krachan District, Phetchaburi
  • Kaeng Krachan National Park
  • Kamphaeng Saen District, Nakhon Pathom
  • Kantharalak District, Sisaket
  • Kanthararom District, Sisaket
  • Kap Choeng District, Surin
  • Khanom District, Nakhon Si Thammarat
  • Khao Chamao - Khao Wong National Park
  • Khao Dinsor (Chumphon Raptor Center)
  • Khao Nang Phanthurat Forest Park
  • Khao Sam Roi Yot National Park
  • Khao Soi Dao Wildlife Sanctuary
  • Khao Sok National Park
  • Khao Yai Da
  • Khao Yai National Park
  • Khlong Saeng Wildlife Sanctuary
  • Khlong Wang Chao National Park
  • Kho Wang District, Yasothon
  • Khueang Nai District, Ubon Ratchathani
  • Ko Chang District, Trat
  • Ko Kut District, Trat
  • Ko Pha Ngan
  • Ko Pha-ngan District, Surat Thani
  • Ko Samui District, Surat Thani
  • Ko Talu
  • Ko Tao
  • Kra Buri District, Ranong
  • Kui Buri District, Prachuap Khiri Khan
  • Mae Wang National Park
  • Mu Ko Phetra National Park
  • Muang Sam Sip District, Ubon Ratchathani
  • Mueang Chumphon District, Chumphon
  • Mueang Kanchanaburi District, Kanchanaburi
  • Mueang Krabi District, Krabi
  • Mueang Lopburi District, Lopburi
  • Mueang Mukdahan District, Mukdahan
  • Mueang Nakhon Ratchasima District, Nakhon Ratchasima
  • Mueang Ratchaburi District, Ratchaburi
  • Mueang Sakon Nakhon District, Sakon Nakhon
  • Mueang Samut Songkhram District, Samut Songkhram
  • Mueang Udon Thani District, Udon Thani
  • Nam Pat Wildlife Sanctuary
  • Namtok Phlio National Park
  • Nong Khae District, Saraburi
  • Pak Chong District, Nakhon Ratchasima
  • Pang Mapha District, Mae Hong Son
  • Phanom Dong Rak District, Surin
  • Phi Phi Islands
  • Phrom Phiram District, Phitsanulok
  • Phu Pha Yon National Park
  • Prasat District, Surin
  • Sai Yok District, Kanchanaburi
  • Sakaerat Environmental Research Station
  • Sam Phran District, Nakhon Pathom
  • Sao Hai District, Saraburi
  • Sapphaya District, Chainat
  • Sattahip District, Chonburi
  • Sawaeng Ha District, Ang Thong
  • Sena District, Phra Nakhon Si Ayutthaya
  • Si Chiang Mai District, Nong Khai
  • Si Racha District, Chonburi
  • Sop Prap District, Lampang
  • Sri Nakarin Dam National Park
  • Tha Li District, Loei
  • Tha Takiap District, Chachoengsao
  • Tha Yang District, Phetchaburi
  • Tham Pha Tha Phon Non-Hunting Area
  • Thap Sakae District, Prachuap Khiri Khan
  • Thong Pha Phum District, Kanchanaburi
  • Thung Salaeng Luang National Park
  • Thung Yai Naresuan Wildlife Sanctuary
  • Wang Saphung District, Loei
  • Warin Chamrap District, Ubon Ratchathani
  • Watthana Nakhon District, Sa Kaeo
Range map of Lycodon davisonii in Thailand