Zambo or Sambu is a racial term to refer to people of mixed Amerindian and sub-Saharan African ancestry.
16th-century painting of Zambo caciques from Esmeraldas, Ecuador
A representation of an infant zambo, in an 18th-century "Pintura de Castas" from New Spain. The painting illustrates "from an African and an Amerindian produces a lobo", here a synonym for zambo.
Casta painting showing 16 hierarchically arranged, mixed-race groupings. Row 2, extreme right cell, shows the torna atrás father, Indian mother, and Lobo or Zambo offspring. Ignacio Maria Barreda, 1777. Real Academia Española, Madrid.
"From a black man with a mulata produces a Sambo," Indian school, 1770.
Mestizo is a term primarily used to denote people of mixed European and Indigenous ancestry in the former Spanish Empire. In certain regions such as Latin America, it may also refer to people who are
A casta painting of a Spanish man and an Indigenous Mexican woman with their Mestizo child, c. 1763
A casta painting by Miguel Cabrera. Here he shows a Spanish (español) father, Mestiza (mixed Spanish–American Indian) mother, and their Castiza daughter.
Luis de Mena, Virgin of Guadalupe and castas, 1750. The top left grouping is of an indio and an española, with their Mestizo son. This is the only known casta painting with an indio man and española woman.