Another special feature of most amphibians is their egg-larva-adult life cycle. The larvae are aquatic and free-swimming—frogs and toads at this stage are called tadpoles. At a certain size ...

What are amphibians and reptiles? Amphibians are frogs, toads, newts and salamanders. Most amphibians have complex life cycles with time on land and in the water. Their skin must stay moist to absorb ...

It marks a milestone in our understanding of amphibian evolution. Particularly it adds to the origins and endurance of the ...