large scaled pit viper, trimeresurus macrolepis, viperidae, eravikulam national park, kerala, india

animal bamboo close color combat combative danger dangerous dorsal dread endangered fauna faunal foliage forest green head hood horizontal horror image india large limbless macrolepis night pit pixtal poisonous posture rainforest reptile reptilia rock scale scaled snake species spine trimeresurus venom viper viperidae