A filly is a female horse under the age of four years old. A female horse four years or older is referred to as a mare.
A female horse under 4 years is a filly. A male horse under 4 years is a colt. Any baby horse under a year old is a foal.
Female: mare Young: foal (filly if female under 4 years): (colt if uncastrated male under 4 years). Male: stallion (gelding if it has been castrated).
Mare female over two years Stallion male over two years and not castrated Gelding male over two years and castrated Filly female under two years Colt male under two years
A female horse can always be called a female. But in the horse world a female under 4 years of age is considered a filly, while a female over 4 years of age is called a mare.
A female horse over 5 years is called a mare. A female horse under 5 years is called a filly.
An adult female horse over 5 years old is called a mare. A filly is a female horse under 5 years.
under two years old, a filly. over two years, a mare.
A female horse from the age of birth to 4 years old is a filly.
at birth: 1.05 male(s)/female under 15 years: 1.05 male(s)/female 15-64 years: 1.02 male(s)/female 65 years and over: 0.75 male(s)/female total population: 0.98 male(s)/female (2006 est.) That equates to about 50.5% female, 49.5% male overall.
Any female horse is called a filly under 4 years old and a mare when its 4+ years old. But the breed would still be a Przewalski Horse.
A female horse under the age of four is called a filly.