The Orinoco goose is a member of the duck, goose and swan family Anatidae. It is in the shelduck subfamily Tadorninae, and placed in the genus "Neochen". Three fossil relatives have been described from Pleistocene sites: "Neochen pugil" from Brazil, "Neochen debilis" from Argentina and "Neochen barbadiana" from Barbados.
Similar species: Ducks, Geese, Etc.