Ключевые слова: adder, adult, aggressive, ancient, angered, animal, animals, attack, blow, carrion, color, cool, creep, danger, dangerous, deadly, death, health, herpetology, horizontal, huge, image, killing, life, medicine, nature, nobody, pain, perish, poison, poisonous, reptile, reptiles, rinca, safari, sharp, snake, species, sting, strike, surveillance, swamp, throw, venomous, viper, wild, wildlife,