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Text and photos by Nick Baker, unless credited to others.
Copyright © Ecology Asia 2025

 
     
 

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

   
   
 
Green Cat Snake  -  Boiga cyanea
   
   

Fig 1


Fig 2


Fig 3


 

 

 

 

 

 

 

 

 

 

Family : COLUBRIDAE
Species : Boiga cyanea
Maximum Size : 1.9 metres

The unmistakable Green Cat Snake inhabits primary and secondary forests, including montane zones, and can also be found at sea level in coastal forests. By day it lies coiled up amongst tree branches, but by night it actively hunts for prey such as geckos.

The body is strongly laterally compressed, the head large, and the eyes very large with vertical pupils. Dorsal scale colour is green with bluish hints, and ventral colour yellow.

The species ranges from India, Southern China and Indochina to Myanmar, Thailand and northern Peninsular Malaysia.


Figs 1 to 3 : A 1.5 metre specimen photographed in a bamboo thicket at Layan Beach, Phuket, southern Thailand.


References :

Cox, van Dijk, Nabhitabhata, Thirakhupt, 1998. A photographic Guide to Snakes and Other Reptiles of Peninsular Malaysia, Singapore and Thailand. New Holland.