The elephant brain weighs about 6,000g.
274
Cows can sleep standing up, but they can only dream lying down.
745
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
Denmark has twice as many pigs as there are people.
66
Penguins have a gland above their eye that turns saltwater into freshwater.
12