Gray horse
>
A gray horse has a coat color characterized by progressive depigmentation of the colored hairs of the coat. Most gray horses have black skin and dark eyes; unlike some equine dilution genes and some other genes that lead to depigmentation, gray... Wikipedia
Base color: Any
Body: Born any color, lightens with age until fully white, may develop pigmented speckles
Eyes: Usually dark brown, unless affected by other genes which lighten eye color
Head and Legs: Head may be first part of body to lighten, legs may be among last parts of body to lighten
Mane and tail: May not gray at same rate as body, can be lighter or darker
Modifying genes: Graying gene (G) dominant when single allele present
Other names: Grey