Amphibians
Class Amphibia ("double life") - characteristics: reproduction is internal or external, and occurs in water or moist environments; young hatch from soft, gelatinous eggs and have external gills, which they lose as they mature; most exhibit some form of metamorphosis into a terrestrial form; lack scales and claws; have glandular skin; all amphibians are poisonous to a certain degree, but few are fatal.
Salamanders
Frogs and Toads












Reptiles
Class Reptilia - characteristics: reproduction is internal; most reptiles hatch from leathery eggs, but some, such as with some snakes, are ovoviviparous (eggs hatch inside mother and the young are expelled alive in membranous sacs); have scales, and legged reptiles have claws.

Lizards
Snakes
Turtles
Crocodilians