Trimeresurus trigonocephalus Sri Lankan Green Pit Viper
Also known as:
Ceylon Pit Viper, Sri Lankan Pit Viper
Knuckles Forest Reserve, Matale District, Central Province, Sri LankaAugust 6, 2019
Sri Lankan Green Pit Viper (Trimeresurus trigonocephalus)
This species is common enough throughout Sri Lanka that when I saw my first one, which was some distance off the trail and a couple of meters off the ground, my guide decided that we shouldn't bother to try to wrangle it for a decent photograph, since we would no doubt see many more.
Laggala-Pallegama, Matale District, Central Province, Sri LankaAugust 7, 2019
Sri Lankan Green Pit Viper (Trimeresurus trigonocephalus)
Sure enough, we found this beautiful specimen the next night, in ambush position close to the ground.
Kalutara District, Western Province, Sri LankaAugust 18, 2019
Sri Lankan Green Pit Viper (Trimeresurus trigonocephalus)
They vary quite a bit in color and pattern. This one is almost patternless and extremely yellow.
Kalutara District, Western Province, Sri LankaAugust 20, 2019
Sri Lankan Green Pit Viper (Trimeresurus trigonocephalus)
Here's another in head-down ambush position, again fairly yellow, but much more patterned than the previously pictured one.
Kalutara District, Western Province, Sri LankaAugust 21, 2019
Sri Lankan Green Pit Viper (Trimeresurus trigonocephalus) Sri Lankan Green Pit Viper (Trimeresurus trigonocephalus) Sri Lankan Green Pit Viper (Trimeresurus trigonocephalus)
Intermittent heavy rain brought out a lot of snakes the following night. Here's a trio of youngsters.
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