The American Amphibian is a SALAMANDER, which is an amphibious creature that has both aquatic and terrestrial habitats. It is a 10 letter word and is found in many parts of North America. Salamanders are typically small, slender animals with long tails and four legs. They have moist, scaleless skin and can breathe through their skin as well as their lungs. They feed on insects, worms, and other small invertebrates.