Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
A cow produces around 200,000 glasses of milk in her lifetime.
373
Whales and dolphins can't taste anything other than salt.
11
Cows can sleep standing up, but they can only dream lying down.
745
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Domestic pigs average a top speed of about 11 miles per hour.
182