A juvenile shore pit viper purplish-brown body coiling while hiding its head behind the stem of a plant found in mangrove area in Singapore - zoom out

mangrove pit viper shore pit viper purple snake wild snake snake serpent venomous stem reptile head viper purplish juvenile poisonous national geographic species coiling exotic hiding wildlife predator plant mangrove bite animal closeup dangerous red eyes singapore habitat green zoology scale danger animals venom triangular head wild zoom out wilderness body brown view scene area deadly behavior aggressive toxic