This means lizards have dry scaly skin, while salamanders have moist, porous skin. Lizards all must breathe with lungs, just as humans do. Salamanders, on the other hand, can breathe through their ...

so the hybrids do not reproduce successfully. These two factors keep the two forms from merging, even though they can interbreed. By the time the salamanders reached the southernmost part of ...

Researchers also speculate that salamanders contribute to the carbon cycle of the forest by consuming insects that shred and eat leaves; because shredding releases carbon into the atmosphere ...