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,...
CK-12 Foundation
Ck 12: Life Science: Frogs and Toads
[Free Registration/Login may be required to access all resource tools.] Frogs and toads are amphibians in the order Anura. In terms of classification, there is actually not a big difference between frogs and toads. Learn more about frogs...