Skewbald

[Sarah]

Marked with spots and patches of white and some color otherthan black; -- usually distinguished from piebald, in which thecolors are properly white and black. Said of horses.

[PussyCat]

(an animal, especially a horse) having large white and brown-coloured areas of hair on its body:

[Justin Bieber]

(of an animal) with irregular patches of white and another color (properly not black).