Yes. The are Huge horses. They are work horses also known as Draft horses along with Perterons and Kleidsdales.
Yes.
it is a type of Draft horse. They are very big.
Um, yeah. Duh, I've seen white horses before. Havent u?
They can stand up to 17hh, but usually around 16hh.
They have the same needs and natural enimies of any other horse, although they are in captivity and therefore son't really have enemies.