Ключевые слова: adder, africa, african, animal, arid, brown, camouflage, cerastes, cerastes cerastes, closeup, creature, danger, deadly, desert, endangered, eye, fauna, heat, herpetology, horn, horned, lethal, namib, namibia, natural, nature, pattern, pet, poison, poisonous, portrait, predator, reptile, sahara, saharan, saharan horned viper, sand, scales, serpent, snake, texture, tongue, toxic, venom, venomous, vertebrate, viper, wild, wildlife, zoology,