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Amphibians on the IUCN Red List

Provides a conservation assessment of the world's amphibians. Brief information about over 5,700 species, including photograph. This database is the result of a collaboration between the IUCN, Conservation International, and NatureServe plus experts in amphibian study.


Includes taxonomic information on all recognized amphibian species. Species accounts, including life histories, conservation status, and literature references, for many amphibians. From the University of California, Berkeley, in conjunction with the Digital Library Project.

Crocodilians: Natural History & Conservation

Detailed information on all species of crocodilians worldwide, including biology, taxonomy, images and sounds. From the Florida Museum of Natural History and the IUCN-SSC Crocodile Specialist Group.

Living Amphibians

From the Tree of Life project, David R. Maddison, University of Arizona, Coordinator and Editor. Includes information on phylogenic relations and characteristics for Salientia (frogs and toads) and Caudata (Salamanders and Newts).

The Reptile Database

A database supported by the Systematics working group of the German Herpetological Society (DGHT) intended to provide information on the classification of all living reptiles by listing all species and their pertinent higher taxa.

World Chelonian Trust

Extensive information on tortoises and turtles worldwide, including taxonomy, biology, conservation and care. Features the Complete Chelonian Taxonomy List and full-text articles.