Learn the equestrian sport of polo

Polo Pony Age and Gender

Polo onies turned out in the paddock

Age and Gender Definitions

Stallion
Uncastrated adult male horse (4 years and older).
Gelding
Castrated (both testicles removed) adult male horse (3 years and older).
Mare
An adult female horse (4 years and older).
Colt
An entire male horse (3 years and under).
Filly
A female horse (3 years and under).
Yearling
A colt or filly between 1 and 2 years old.
Weanling
Either gender between 6 to 12 months old after being separated from its dam.
Suckling
A foal of either gender in its first year of life while it is still nursing.
Foal
A newborn horse of either gender before weaning.
Monorchid
A male horse of any age that has only one testicle in his scrotum because the other testicle was either removed or is undescended.
Cryptorchid
A male horse of any age that has no testes in his scrotum but was never gelded (the testes are undescended).
Ridgling or Rig
A lay term used to describe either a monorchid or cryptorchid.

Year of Birth Tattoos

Thoroughbred horses are tattooed on the lip shortly after they are born. The letter before the number indicates the year the horse was born.