Music video by Enrique Iglesias performing Tonight (I'm Lovin' You). (C) 2011 Universal International Music B.V. 1  Music.
Some people think a baby horse is called a pony. In fact, a baby horse is called a foal. A foal is a horse that is younger than one year old. A pony can be any age! Ponies have short legs and wider bodies than full-sized horses. Ponies often have thicker manes too! People can ride ponies, just like they can ride full-sized horses.
1 This is usually used for a female horse over 3 years of age. 2  A young female horse is called a filly. 3  This is typically used until the age of 3 or 4 years. 4  Under a year, both males and females are also called foals.hen a mare breeds, it is considered the foal's Dam.. 1  An adult female horse is called a mare. 2  A young female horse is called a filly. 3  Under a year, both males and females are also called foals.