Turtles are fascinating creatures that have been around for millions of years, and they have many unique characteristics that aid in their survival. One of the lesser-known turtle facts is that they make noise, especially when mating. They are also incredibly adaptable and can be found on every continent except Antarctica. Turtles have sharp senses of smell, sight (including full color), and hearing/touch, allowing them to detect even the slightest vibrations in the earth. Although many people believe that a turtle's shell is insensitive, they contain nerve endings and are sensitive to touch. Turtles have evolved to have interesting adaptations that help them survive. For instance, they have an egg tooth at the end of their beak to aid in hatching. While some species are timid and pull tight in their shells to avoid predators, others are more aggressive and dominate intruders. Some turtles may emit an odor when startled, but in general, most species prefer to blend in with their su