There are three main groups of amphibians; [[frogs]] and [[toads]], [[salamanders]], and [[caecilians]], and scientists recognize more than 4,000 species of amphibians. There are over 3,500 species in the Frogs and Toads category, and 360 in the salamander group. The Caecilians group is the smallest, and has about 160 species, and they are the rarest of amphibians. | There are three main groups of amphibians; [[frogs]] and [[toads]], [[salamanders]], and [[caecilians]], and scientists recognize more than 4,000 species of amphibians. There are over 3,500 species in the Frogs and Toads category, and 360 in the salamander group. The Caecilians group is the smallest, and has about 160 species, and they are the rarest of amphibians. |