A small ant running from a leaf to a shore pit viper's mouth and body found in Nature's Park in Singapore - closeup shot

purple snake mangrove pit viper shore pit viper wild snake serpent snake venomous reptile viper species wildlife poisonous national geographic leaf red eyes fauna bite predator nature exotic mangrove habitat animal small closeup endemic asia mouth dangerous singapore creature zoology wild ant scale wilderness venom triangular head body behavior view alone unpredictable toxic deadly forest aggressive running park