Animal Jam Watch videos, play games, and meet the newest animals! (AD) GET THE GUIDE Official Insider's Guide Meet the Mammals! They're warm-blooded and hairy. Check out pictures, videos, and facts. Cheetah Fastest land mammal Lion SAVANNA KING KANGAROO CAN LEAP 30 FEET! River Otter LOVES TO SLIDE! Watch all the videos! More Snowy Owl SNOW-WHITE HUNTER Watch on YouTube! Play all the videos! Giant Panda They spend most of their time eating. Watch Nat Geo Kids on Saturday mornings! Get a sneak peek of the great shows we've got lined up for you.