University of California
Regents of the University of California: Amphibia Web
AmphibiaWeb, a site inspired by global amphibian declines, is an online system that allows free access to information on amphibian biology and conservation. This site is filled with amphibian facts, a glossary of terms, species numbers,...
San Diego Zoo Global
San Diego Zoo: Amphibians
This resource offers extensive information about amphibians. Visitors can click on the listed amphibians for further information.
University of Michigan
University of Michigan Critter Catalog: Frogs & Toads
This competent site provides general information about amphibians and then focuses on the amphibians found in southeastern Michigan. Information, pictures, sound clips, and classification groupings are provided.
Other
Welcome to Frogland!
Frogland has fun and important information about frogs in the news, pet frogs, frogs in the wild, frog jokes, and more. Features include a section for teachers and parents.