A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Giant Anteaters' front legs look like a panda.
48
Sloths take two weeks to digest their food.
243
Parrot parents "name" their children with a signature call.
112
A cat can jump FIVE TIMES as high as it is tall!
371
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16