Ключевые слова: aggressive, angry, animal, biodiversity, biology, bite, blend, buzz, camouflage, close, coiled, conservation, danger, dangerous, deadly, defensive, ecology, ecotourism, environment, extreme, field, hide, lethal, looking, pit, pitviper, poison, poisonous, predator, pretty, rattler, rattlesnake, reptile, rock, scales, scaly, serpent, skin, snake, southwestern, speckle, speckled, spotted, venom, venomous, viper, waiting, warning, wild, wildlife,