Which Caballo breeds come in Unicolor?

Club breed standards describe Unicolor for the Cuarto de Milla Americano, Pony Galés y Rocky Mountain Horse.

Caballo pattern

Unicolor

One color all over with no pattern or white: self in rabbits, cavies, rats and canaries; a tongue or hoof of one even color.

9 Caballo breeds list Unicolor. It is in a club standard for 3 breeds.

Breed	APHA	APHC	AQHA	WPCS	POAC	RMHA
Cuarto de Milla Americano	No ruling	No ruling	Estándar (“solid-colored”)	No ruling	No ruling	No ruling
Pony Galés	No ruling	No ruling	No ruling	Estándar (“solid colours”)	No ruling	No ruling
Rocky Mountain Horse	No ruling	No ruling	No ruling	No ruling	No ruling	Estándar (“solid body color”)
American Paint Horse	Alternativo (“Solid Paint-Bred”)	No ruling	No ruling	No ruling	No ruling	No ruling
Appaloosa	No ruling	Alternativo (“Non-Characteristic”)	No ruling	No ruling	No ruling	No ruling
Pony of the Americas	No ruling	No ruling	No ruling	No ruling	Alternativo (“born solid”)	No ruling

How Unicolor can appear or change over an animal's life.