A free online collaborative encyclopedia intended to document all of the 1.9 million living species known to science. It is compiled from existing databases and from contributions by experts and non-experts throughout the world.
Index to Organism Names contains the organism names related data gathered from the scientific literature for Thomson Reuters' Zoological Record database.
Provides information about biodiversity, the characteristics of different groups of organisms, and their evolutionary history, with an extensive list of references
From Cornel University. Video and audio footage archive of birds, fish, mammals and more. Use the animal's common name and search box at the right hand corner.
Posted weekly, each story includes pertinent vocabulary with etymology, interesting questions to spark discussion, links to the reports from the latest research on the subject being discussed, and a list of online resources for more information and classroom activities.