Learn more about the American Bullfrog.
Amphibians are cold-blooded, smooth-skinned vertebrates. Most live some of their life in water and some on land. The most common amphibian critter is a frog but there are many others.
Not only does it live on land its whole life, it doesn't have lungs or gills and breathes right through its skin!
The four-toed salamander is called the four-toed salamander because it has four toes on its hind feet.
This black or dark brown salamander (another of the mole salamanders) has prominent yellow spots along its body.
