Discover Life is a field guide and a biological encyclopedia rolled into one. Sponsored by the Polistes Foundation, a team of biodiversity mavens, teachers, and other experts co-founded by ecologist John Pickering of the University of Georgia, Athens, the site covers some 270,000 species from around the globe. Organized taxonomically, the All Living Things section provides descriptions, photos, and other information on particular species or groups such as the elephant ear sponges (Agelas clathrodes). Offerings include original pages and compilations from other sites. The IDnature guides section holds interactive keys for North American birds, Jamaican land snails, and more than 20 other groups of organisms. The foundation hopes to amass range maps, identification keys, and other data for 1 million species by the year 2012.

http://www.discoverlife.org

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Agelas clathrodes
Elephant ear sponge