Florida's Indian River Lagoon (IRL) is recognized as possibly the most biologically diverse estuarine system in the continental US. The Smithsonian Marine Station at Fort Pierce manages the IRL Species Inventory Project, which includes an online database of taxonomic, ecological, and life history information of species in the estuary. Researchers, educators, and resource managers are encouraged to...

Hosted by the Smithsonian National Zoological Park, this website highlights photos of the animals at the National Zoo, as well as some photos of their wild relatives. The website offers numerous theme Photo Galleries including African Savanna, Asian Elephants, Backyard Biology, Great Cats, Ocean Living, and many more. Each photo gallery contains beautiful annotated photographs of different...

As the name implies, the colorfully animated Switcheroo Zoo -- produced by Tubehead, an interactive multimedia studio -- allows you to swap the heads, legs, or tails of various zoo animals to create fantastical new creatures. Not just a place to watch cool morphing animation, this Web site has educational applications as well. Click on Educators' Resources, and scroll to the bottom of the page...

The Tennessee Wildlife Resources Agency (TWRA) and the Tennessee Department of Environment and Conservation co-sponsor the Tennessee Amphibian Monitoring Program (TAMP). A volunteer-based, multi-agency effort "to assess the current status of amphibians (frogs, toads, and salamanders)" across the state, TAMP is open to all interested participants. The homepage introduces and describes the need for...

A very nicely-crafted website, The Ultimate Ungulate Page: Your Guide to the World's Hoofed Mammals was created by ungulate enthusiast Brent Huffman to provide the internet community with a reliable source for information, images, and links for the world's ungulates. The website contains introductory pages for the different ungulate orders including pictures, distribution maps, diagnostic...