Species of Thailand
Siamese cat snake
Boiga siamensis, Wirot Nutaphand, 1971
(In Thai: งูแส้หางม้าเทา, ngu sae hang ma thao)
The gray cat snake (Boiga siamensis), also known as eyed cat snake or Siamese cat snake is a species of catsnake found in northeastern India, Bangladesh, Myanmar, Cambodia, Thailand, Malaysia, and Vietnam.
The Siamese cat snake resembles the dog-toothed snake but it occupies a different geographical range. It is a large snake, reaching almost 2 m (6 1⁄2 ft) in total length. Colours are greyish-brown with black crossbars that are most distinct interiorly. The head is dark brown with a dark streak from behind the eye to the first body crossbar that is broken just beyond the last supralabial. The chin and throat are white, the ventrals white to light brown.
Behavior and venom
Mostly nocturnal, it is a potentially aggressive snake. It is a rear fanged venom snake but there are not known casualties registered. In 2014 while a study for the Prayao forest department (Thailand), herpetologist Frank Cuesta was bitten by a juvenile. The bite caused a very large edema along the entire arm and had to be treated at a hospital for over a month.
India, Bangladesh, Myanmar, Cambodia, Thailand, Malaysia, and Vietnam.
These snakes are found in forest-hills and plains and can be found up to 1, 700m. They are arboreal but can be found near water too.
This snake feeds on, birds, and eggs.
Boiga siamensis is an oviparous species, with sexually mature females laying eggs, 6-12 per clutch.
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- Boiga siamensis
- German: Graue Katzennatter
- Siamese cat snake
- Gray cat snake
- Eyed cat snake
- Thai: งูแส้หางม้าเทา, ngu sae hang ma thao
Boiga siamensis naranjita, Frank Cuesta, 2015
Range: Found only in the provinces of Nan and Phayao in the North of Thailand.
- Boiga siamensis, Van Stanley Bartholomew Wallach et al. (2014)
- Boiga ocellata, Patrick David et al. (2004)
- Boiga ocellata, Romulus Whitaker & Ashok Captain (2004)
- Boiga ocellata, Jarujin Nabhitabhata et al. (2000)
- Boiga ocellata, Tanya Chan-Ard et al. (1999)
- Boiga ocellata, Merel J. Cox et al. (1998)
- Boiga ocellata, C. Kroon (1973)
- Boiga siamensis, Wirot Nutaphand (1971)
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