The Sorraia horse is a primitive horse of South Iberia, not a breed for all we know, but a subspecies. Its discoverer, the Portuguese scientist Ruy d'Andrade, believed it to be a direct descendant of an Iberian wild horse, and the main ancestor of the Andalusian, Lusitano, and Barb horses. Horses of Sorraia type were depicted in prehistoric cave paintings in South Iberia, like the one in Escoural (Portugal) and La Pileta (Spain).
Sorraias are always either grulla or dun in color, a dilution color pattern with a dark dorsal stripe (eel stripe), leg stripes, often also shoulder stripes; "cobwebbing" patterns on the forehead; stripes on the neck and back are also sometimes present
The Sorraia typically stands around 14 to 14.2 hh, sometimes more. By contrast, the Garrano, a primitive Iberian pony found in the mountains in the north of Iberia, is typically around 12 to 12,3 hh in size. It is also brown or bay in color and of different conformation.
The Roman, or convex, head must not be confused with a Roman nose. Horses can have a straight profile or even show a dish somewhere in their profile and may still have a Roman nose. This is usually found in coarse horses of draft horse descend. The Sorraia's profile is convex from poll to nostrils and at the same time the head is a refined one.
Sorraias are of refined, slender, leggy build, with narrow heads, narrow chests, prominent withers, rather straight backs of medium length, and a rafter-shaped hip. The hip usually slants at a nice angle, suitable for a riding horse, with a medium tail set. A steeply dropping hip and really low tail set would be atypical.
Sorraias are extremely limber and flexible, both laterally and vertically. The same horse that walks strung-out and looks like having an almost horizontal croup and high tail set may in the next instant collect himself and round his back and suddenly appear to have a sloping croup and low tail set.
Due to rather long cannon bones, the action of the Sorraia is fairly high, with considerable knee action.
Sorraias have traditionally been tamed and used as mounts, especially for herdsmen. In spite of being a primitive horse, the Sorraia, once tamed, is very suitable for riding, Due to its slender neck of sufficient length and clean throatlatch, the horse finds it easy to flex at the poll, its general agility and balance enables it to move in a collected way. According to Ruy d'Andrade, most, if not all, modern saddle horse breeds owe their suitability for dressage to this primitive ancestor.
It is not uncommon for Sorraias to be gaited.