A polar bear's skin is black. Its fur is not white, but actually clear.
25
Mosquitoes don't just bite you, they also pee on you.
11
Ralph, the world's largest bunny, weighs 55 pounds and eats $90 worth of food a week.
8
Cats recognise the voice of their owner, but never evolved to care.
22
Contrary to popular belief, dogs do not only sweat by salivating. They also sweat through the poors on their feet.
30
It is physically impossible for pigs to look up into the sky.
361
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
A mole can dig a tunnel 300 feet long in just one night!
24