Unusual Facts About Sheep - as part of the pets & animals series by GeoBeats.

Here are 5 uncommon facts about sheep.

On the farms of the United States alone, there are 47 different varieties of sheep.

Most sheep go through the process of "docking", where their tails are essentially removed, for shearing and health reasons.

Sheep only have front teeth on the bottom of their mouths, but on the top, they do have a sort of dental pad.

The lambs that are most commonly seen exhibited at fairs are known as "club lambs."

Sheep are generally raised for their wool, while lambs are raised for their tender meat.