"Asian pit vipers from the genus Trimeresurus are ... its green body adorned with various markings. In the south, the mangrove viper (Trimeresurus purpureomaculatus) appears in a range of colors ...

King cobras can’t sense heat like pit vipers, but they have better eyesight ... You’ll find king cobras in forests, bamboo copses, mangrove swamps, and near freshwater or agricultural areas.