North American Mammals
This site portrays more than 400 native species through photographs, watercolor paintings, illustrations, range maps, and concisely written vignettes. Other features include custom field guides created from an interactive map, mammal searches across the continent, by ecoregion, state, or precise location, and a family tree that unfurls mammalian relationships, and lesson plans on measuring biodiversity.
Arctic: A Friend Acting Strangely
For generations, Arctic peoples have lived through changing weather and ice conditions. In recent decades, they have been eyewitnesses to dramatic Arctic change. Explore the extreme Arctic environment, discover the diverse network of living creatures that inhabit it, and learn about the cultures of Arctic residents. This site features an Eyewitness to Change documentary, multimedia interactives, and classroom activities.
Lewis and Clark as Naturalists
The United States was 27 years of age when President Thomas Jefferson launched America's first great expeditionary adventure. Through the travels of Lewis & Clark, natural wonders of the American landscape are unveiled.
Lewis and Clark: Mapping the West
Lewis and Clark and their Corps of Discovery have been referred to as "the writingest" group of explorers to undertake a major overland expedition. The same thing might be said of their mapmaking as some 140 maps were prepared on the trail and another 30 more were collected from Indians, fur trappers, and traders along the way.
Living Fossils of the Deep
A research team gather to explore both the present and the past through the natural history of deep-sea organisms and microorganisms in the waters of the Bahamas.
Search for Giant Squid
The giant squid remains an enigma. It has been called the last certified sea monster from pre-scientific times and the last big mystery of the ocean. Dr. Clyde Roper is on a quest to find these giants off the shores of New Zealand and record their behavior by direct observation.