(Spanish pronunciation: [baˈkeɾos]; Portuguese: vaqueiros [vaˈkejɾu]) Horse-mounted livestock herders of a tradition that originated on the Iberian Peninsula. Today the vaquero is still a part of the doma vaquera, the Spanish tradition of working riding. The vaquero traditions developed in Mexico from methodology brought to Mesoamerica from Spain, and also became the foundation for the North American cowboy.