A filly is name for a female horse. so its called a filly.
Filly.
Filly
Filly
Colt is male,filly is female
'Filly' is the name given to a female horse that is younger the 3 years of age.
a filly is a female horse under the age of 4
filly
a filly
2 years old and younger: Filly 2 years and older: mare When speaking of the mother of a foal, they are referred to as a dam.
A mare is older. A filly is a female horse younger than four years of age. When a female horse turns four, she is refered to as a mare.
A: a female baby horse is called a Filly. -ThehorseGal&Advisor (HT editor)
Baby horses of either sex are called foals. The female is a filly; the male is a colt.