It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The reindeer is the only mammal that can see UV light.
17
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
The station master and operating officer at the Kishi Station, Japan, is a cat!
18
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14