What animal breath through lungs has 4 limbs and cold blooded?

The animal you are describing is likely a type of amphibian, such as a frog or salamander. Amphibians are cold-blooded vertebrates that typically breathe through lungs as adults, although many also have the ability to absorb oxygen through their skin. They have four limbs, with two front legs and two hind legs, which they use for movement in both aquatic and terrestrial environments.