Salamanders are amphibians belonging to the order Caudata, characterized by their slender bodies, long tails, and moist skin. They are found in various habitats, including forests, wetlands, and grasslands, primarily in North America and Europe. There are over 700 species of salamanders, which can vary significantly in size, color, and behavior. These creatures play a vital role in their ecosystems as both predators and prey. Salamanders typically feed on insects, worms, and other small invertebrates. They are also sensitive to environmental changes, making them important indicators of ecosystem health.