Horses belong to the equus family. Equus comes from the ancient Greek word meaning quickness. Horses are mammals in the same family as zebras, mules and donkeys.

A mare is pregnant (or "in foal") for 11 months.

Most mares give birth in the spring to a single baby (foal) although twins are not uncommon.

Mares produce milk for their young and will feed them for several months.

More than 350 breeds of ponies and horses can be found.

A height of a horse can be measured with the hand, where each hand equals four inches.

An average horse’s head weighs 11.84 pounds.

10 Pounds is the weight of a horse’s heart.

A horse is able to drink 10 gallons of water per day.

Horses use their facial expressions to communicate. Their moods can be gauged with the help of their nostrils, eyes and ears.

Horses spend more energy lying down.