Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Squirrels forget where they hide about half of their nuts.
698
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8