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Sri Lankan green pit viper

Trimeresurus trigonocephalus


Sri Lankan green pit viper, is a venomous pit viper species endemic to Sri Lanka.It is arboreal and nocturnal, occasionally descending to the ground in search of food such as lizards, frogs, small mammals, and birds. This sluggish pit viper is usually encountered on low shrubs during morning hours, but it mostly occupies in grasslands and rain forests. In mornings, it is seen to stay on top of trees to obtain sun rays to heat its body. It uses its tail to hold on to a tree branch. This is not a particularly defensive species.The venom is primarily haemotoxic, with victims experiencing severe pain and swelling of the bitten area, oedema and blisters, and localized tissue necrosis; the pain of the wound may last for a few days. Ptosis and lymphadenopathy takes place. (Details-


It is widely distributed in all three climatic zones(Dry,Wet & intermediate) of the island, except higher hills and arid zones, while relatively more common in wet zone grasslands and rain forest areas and occasionally in plantations of cardamom, cocoa, coffee, and tea, from the lower altitudes from 153 to 1,800 m.


It was found at the Gannoruwa forest reserve, Sri Lanka....

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48 Comments (1–25)

Dilan Chathuranga
Dilan Chathuranga 9 years ago

Thanks James!I didn't see your comment before this!!

James McNair
James McNair 9 years ago


Dilan Chathuranga
Dilan Chathuranga 9 years ago

Thanks friends!!

1515240 9 years ago

this is awesome!

ChristosMaroulis 9 years ago

Very nice!!

shean1 9 years ago

By the way, how did you find that? It's incredible!

shean1 9 years ago

I've been in Sri Lanka before! My Grandparendts on my dad's side lives there! It's so cool!

NuwanChathuranga 9 years ago


Jolly Ibañez
Jolly Ibañez 9 years ago

Congrats Dilan. So beautiful

Dilan Chathuranga
Dilan Chathuranga 9 years ago

Thanks friends for your all comments & wishes!!

Josh Asel
Josh Asel 9 years ago

Gorgeous animal, congrats!

Sergio Monteiro
Sergio Monteiro 9 years ago

Congratulations, Dilan.

Tom15 9 years ago

Congrats Dilan, great SOTD!

Lakkana 9 years ago

Congratz.... Dilan

Dilan Chathuranga
Dilan Chathuranga 9 years ago

Thank you for the comment DrNamgyalT.Sherpa!!

DrNamgyalT.Sherpa 9 years ago

Dilan that's a fantastic photo. Congtrats for the SOTD!

Dilan Chathuranga
Dilan Chathuranga 9 years ago

Thank you AnnieLopez!

AnnieLopezReyes 9 years ago

Nice. Congratulations!

Dilan Chathuranga
Dilan Chathuranga 9 years ago

Thanks SukanyaDatta!!

SukanyaDatta 9 years ago

Dilan...Yeh toh hona he they say in Hindi. Congrats.

Dilan Chathuranga
Dilan Chathuranga 9 years ago

Wow!!!Thank you very much Yasser and the Project Noah community for selecting this spotting as the SOTD!!!!Thanks Friends for your interesting comments!!!

Leuba Ridgway
Leuba Ridgway 9 years ago

Congratulations Dilan ! Thanks for the information - relevant and interesting.

LuisStevens 9 years ago

Congrats Dilan! great SOTD!

Congratulations on the SOTD!! Dilan Chathuranga, thank you so much for sharing. Fantastic picture of a gorgeous, Green pit viper.

Congratssss dilan !!!!!!!!!! :-)

Dilan Chathuranga
Spotted by
Dilan Chathuranga

Kandy, මධ්‍යම පළාත, Sri Lanka

Spotted on Nov 30, 2014
Submitted on Nov 30, 2014

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