A rodent's teeth never stop growing.
16
The penguin is the only bird that can swim, but cannot fly.
1
The average housefly lives only two weeks.
39
After eating, a housefly regurgitates its food and then eats it again!
16
When you shave a guinea pig it looks like a little hippo.
19
Contrary to popular belief, dogs do not only sweat by salivating. They also sweat through the poors on their feet.
30