This content resource offers students and teachers a glimpse at the diversity of animals on Earth. In Natural History Notebooks you'll find lots of fascinating facts about 246 animal species. You'll also learn about the amazing diversity of life on Earth (both past and present), and why it's important to protect that diversity. The information is organized into 8 different topics: Mammals, Birds, Fish, Reptiles, Amphibians, Invertebrates, Endangered/Extinct, and Prehistoric Life. There is also an option to search for animals by continent. (author/ts)