AmphibiaWeb - This is an online resource for people concerned with the declining amphibian problem. You will find data intended to help students understand the causes of amphibian declines.

Checklist of Amphibian Species and Identification Guide
Provides a browsable "checklist of all amphibian species and subspecies currently recognized in North America north of Mexico." Salamanders, newts, frogs, and toads are briefly described in their adult phase; many entries include photos and range maps showing where a species is found. In addition, there is an annotated list of amphibian and reptile identification websites.

Interactive Frog Dissection - This sight is designed to help students learn the anatomy of a frog and develop a better understanding of the anatomy of all vertebrate animals, including humans. The program provides still and motion visuals of frogs.