Ключевые слова: animal, behavior, black, body, common, crawl, creature, creep, creeper, dark, diver, eat, ecology, environment, floating, good, grass, head, herpetology, length, long, nature, reptile, reptilian, ringed, rippling, serpent, snake, snakes, squirming, surface, swimmer, swimming, viper, water, wheedle, wild, wildlife, yellow, zig, zigzag,