The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Cows can sleep standing up, but they can only dream lying down.
745
Bats sleep 18-20 hours per day.
5
The elephant brain weighs about 6,000g.
274
The station master and operating officer at the Kishi Station, Japan, is a cat!
18
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11