Amphibians are small vertebrates that need water, or a moist environment, to survive. The species in this group include frogs, toads, salamanders, and newts. All can breathe and absorb water ...

Vertebrates, for example, are divided into mammals, birds, reptiles, amphibians and fish. Mammals are warm-blooded animals with hair ... Like mammals, birds come in all sizes and shapes, from ...

A newly-identified amphibian is possibly the largest on the ... Scientists say renewed conservation efforts are needed if the animal is to be saved from extinction. Harvesting for the luxury ...