American wild horse, also called Mustang race. In the antiquity, in Mexico, the term is used to designate the lost cattle and was not known to the owner. Wild or feral animal. Belonging to a Mesta (Association of ranchers in Zaragoza). That is a native of Mesta (is the name of a town in Bulgaria and another in Greece). Relative to the Mesta River in Bulgaria.
Own the Mesta or the Association of breeders of the Castilian Mesta. It is also said of the horses and cattle without an owner, as horses Mustang, symbols of the spirit of the American West, descendants of the carried by the Spaniards of the marshes of the Guadalquivir in Doñana natural park of Doña Ana, daughter of the Prince Eboli SA.