Cats and dogs can hear ultrasound.
350
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Sharks, like other fish, have their reproductive organs in their chests.
248
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Domestic pigs average a top speed of about 11 miles per hour.
182
There's a rare breed of pig that looks like a sheep.
14
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79