Tree of Life Project
The Tree of Life Web Project: Animals
Extensive site that contains much information about the various animal phyla. Each phyla gives photos, common examples, scientific names and references. Collection of 1630 websites about bio-diversity.
Regents of the University of Michigan
Animal Diversity Web: Museum of Zoology: Animal Diversity Web
This resource contains thousands of descriptions about individual animal species. Many of these descriptions also includes pictures, movies, audio clips, and more.