It's possible to lead a cow upstairs, but not downstairs.
50
Iguanas have two penises!
55
When you shave a guinea pig it looks like a little hippo.
19
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Tigers can see 6 times better at night than humans.
305
The lungfish can live out of water for three years in a state of suspended animation.
48
According to scientific studies, a rat's performance in a maze can be improved by playing music written by Mozart.
46
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23