Smithsonian Institution
Smithsonian National Zoo: Classification Systems
A great overview of the science of classification. Topics addressed include summaries of the five kingdoms, the seven taxa, the definition of a species and the classification of the panda.
Tree of Life Project
The Tree of Life Web Project
The Tree of Life is a multi-authored, Internet distributed project containing information about phylogeny and biodiversity. The Tree of Life can be used to locate information about a particular group of organisms through their taxonomy.
Other
Illinois Wesleyan University: Tardigrade Species Distribution Project
This was a research project on tardigrades that took place some time ago. The site contains information about the project and about tardigrades, including their taxonomy and a glossary. As this is an older site, the links to the...
Colorado State University
Colorado State University Libraries: Garst [Wildlife] Photographic Collection
Digitized collection, searchable by name, endangered species status, habitat, or continent, of over thirteen hundred wildlife photographs taken throughout the world during the filming of Mutual of Omaha's Wild Kingdom television series....
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,...
Other
K 3 Learning Pages: Reptiles and Amphibians
Come and discover more about reptiles and amphibians when you explore this awesome resource. This site is filled with useful links.