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,...
University of Michigan
University of Michigan Critter Catalog: Amphibians
This site provides a general description of amphibians and then describes in detail the characteristics of local animals in southern Michigan. Pictures, classification information, and sound clips of some amphibians are provided.
CK-12 Foundation
Ck 12: Life Science: Amphibians
[Free Registration/Login may be required to access all resource tools.] Amphibians are a group of vertebrates that have adapted to live in both water and on land. Amphibian larvae are born and live in water, and they breathe using gills....