Wolf expert Doug Smith discusses current research at the Yellowstone Wolf Project, and how it can help change public attitudes.

Using clips from NATURE, in this lesson students will learn about the various attributes of different predators on the African grasslands.

These clips from the NATURE episode, "Moments of Impact: Hunters and Herders," can be used in the classroom to explore the various attributes of different predators on the African grasslands.

Discover the science of some amazing animal engineering hidden deep in the jungle. Watch the full episode online.

(Premieres Sundays April 4 and April 11) New technologies reveal what's behind incredible "moments of impact" - when animals come into contact with each other and the world around them.

It's October in the Upper Mississippi Valley, and the weather is mild. Plucking coots and mallards from the water, the bald eagles show off their aerial antics.