Reptiles are cold-blooded, air-breathing vertebrates having the skin covered with scales. The class includes tortoises, turtles, lizards, snakes and the Crocodilia.
Amphibians are cold-blooded vertebrates with smooth skin. The class includes salamanders, frogs, toads and newts.
Herpetology is the scientific study of reptiles and amphibians.
This category contains sites covering professional and academic societies and associations concerned with amphibians and reptiles.