Amphibians are the animals that supplement the gas exchange that occurs through the lungs with gas exchange through the skin. The members of amphibian animals are Frog, Salamander, Caecilian, Newt, Toads, Diplocaulus, Labyrithodontia, and Anthracosauria. The amphibian are cold-blooded animals, which means that they are the same temperature as the water or air around them.