Equine: The name of the species which includes horses, donkeys, mules and zebras.
Foal: A baby horse that is still nursing from their mother.
Weanling: A baby horse around 6 months of age and younger than one year that is weaned from its mother.
Yearling: A baby horse that is one year old.
Colt: A young male horse four years old or younger.
Filly: A young female horse four years old or younger.
Mare: An adult female horse older than four.
Stallion: An adult male horse older than four that has not been gelded.
Gelding: A male horse that has been gelded.
Mare in foal: A pregnant mare.
Sire: The father of a horse.
Dam: The mother of a horse.
Pony: A small horse under 14.2hh that is full grown.
