Sheep can survive for up to two weeks buried in snow drifts.
In 1984, a Canadian farmer began renting ad space on his cows.
The most expensive cow in the world was sold $1.3 million.
There are more than 150 million sheep in Australia, and only some 20 million people.
It is physically impossible for pigs to look up into the sky.
Cows can sleep standing up, but they can only dream lying down.