The horse's hoof is very hard.

I heard the sound of a horse's hoof echoing on the ground.

The horse's coffin bone plays an important role, just like the bones in a human's foot.

There was a major outbreak of foot-and-mouth disease in Japan in 2000.

Odd-toed ungulates include mammals such as horses and camels.

Even-toed ungulates are a large group of animals that include some livestock such as cows and sheep.

He learned about unguligradism in his zoology class.