 Rabo de Ovelha is an authorized grape variety in the Bairrada, Borba, Bucelas, Redondo, Reguengos, Setúbal and Vidigueira "Denominação de Origem Controlada" (DOC).The grape variety gets its name from the way its grape bunches resembles the end of a ewe's tail.In winemaking, Rabo de Ovelha is known for producing highly alcoholic wines that wine expert Jancis Robinson describes as lacking subtlety.