Mission Animal Rescue Learn what you can do to help save threatened animals! (AD) Check out the book! Help save wolves. African Elephant LARGE AND IN CHARGE GRAY WOLF These wild dogs like to play! Lion SAVANNA KING Polar Bear They're strong swimmers. Meet the Mammals! They're warm-blooded and hairy. Check out pictures, videos, and facts. Watch more videos! Visit Nat Geo Kids on YouTube. Watch on Roku! Play all the videos! Support Our Work Learn how your donations can help endangered species. Cool Videos! Watch playlists on YouTube. (AD) GET THE BOOKS. Save animals, save the world!