The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
5
The reindeer is the only mammal that can see UV light.
17