Which 馬 breeds come in 純色?

Club breed standards describe 純色 for the 威爾斯矮馬、洛磯山馬及美國夸特馬.

馬 pattern

純色

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 馬 breeds list 純色. It is in a club standard for 3 breeds.

Breed	WPCS	RMHA	AQHA	APHA	POAC	APHC
威爾斯矮馬	符合標準 (“solid colours”)	No ruling	No ruling	No ruling	No ruling	No ruling
洛磯山馬	No ruling	符合標準 (“solid body color”)	No ruling	No ruling	No ruling	No ruling
美國夸特馬	No ruling	No ruling	符合標準 (“solid-colored”)	No ruling	No ruling	No ruling
美國花馬	No ruling	No ruling	No ruling	替代 (“Solid Paint-Bred”)	No ruling	No ruling
美洲矮馬	No ruling	No ruling	No ruling	No ruling	替代 (“born solid”)	No ruling
阿帕盧薩馬	No ruling	No ruling	No ruling	No ruling	No ruling	替代 (“Non-Characteristic”)

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