Which Cal breeds come in Sur?

Club breed standards describe Sur for the Criollo și Tennessee Walking Horse.

Cal pattern

Sur

Progressive whitening with age: a horse born colored turns gray and finally white, often dappled or flea-bitten on the way.

32 Cal breeds list Sur. It is in a club standard for 2 breeds.

Breed	ACCC	ABCCC	TWHBEA
Criollo	Standard (“se aceptan todos los pelajes”)	Standard (“Tordilha”)	No ruling
Tennessee Walking Horse	No ruling	No ruling	Standard (“Grey”)

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