This depends. If the pony is under 2-years, then yes. If older, then she is called a mare. Although they are differently sized, many things between horses and ponies are the same or just similar.
2 years old and under - A Filly
Over 2 years old - A Mare
Female horses are called mares, female foals are called fillies.
Fillies
A young mare under four years old is called a filly.
Colts are male foals and the female foals are called fillies. They are usually around 1 -2 years old. This answer your question? Happy baby foal breeding then.
Female horses are called mares. Male horses are called stallions. A horse who has been neutered is called a gelding. Baby horses are called fillies if they are female, and colts if they are male.
Female horses.
Female horses are called mares, female foals are called fillies.
A baby donkey is called a foal. If it is a male, it is called a colt. Female foals are called fillies.
a fillyA female horse under 2 years old is called a filly.
A wild female horse is called the same as a domesticated female horse. If the female horse is less than 5 years of age it is called a FILLY, but if the female horse is over the age of 5 it is called a MARE.
A filly is a female foal horse.
Horses, of course.
Stallion is the male, and the female is a mare.
Fillies
Fillies are young female horses, less than 4 years old. A young male horse less than 4 years old is a colt.
A young mare under four years old is called a filly.
Del Reeves recorded a song called 'Philadelphia Fillies' in 1971.