Rock of Gibraltar may have originated from an escape of North African animals transported to Spain; it is also possible that the original Gibraltar macaques are a remnant of populations that are known to have spread throughout Southern Europe during the Pliocene, up to 5.5 million years ago. Some animals of the Rock have been reintroduced by the Alameda Wildlife Conservation Park who have three Barbary macaques. The Rock of Gibraltar, at the head of the Strait, is a prominent headland, which accumulates migrating birds during the passage periods. The vegetation on the Rock, unique in southern Iberia, provides a temporary home for
Gibraltar rock (candy) Gibraltar rock (candy) Gibraltar rock, Gibraltars, Gibralters of Salem Gibralter are an old-fashioned candy associated with Salem, Massachusetts in the United States. The Gibraltar was the first candy commercially sold in the United States. It is still being sold. The Salem Gibraltar was originated by the Spencer family of northern Salem, Massachusetts in 1806, after they relocated from England. A shipwreck left them destitute, so that their neighbors donated them supplies; they included a barrel of sugar since Mrs. Spencer was a confectioner. She first sold her lemon or peppermint flavored hard candy on the steps of the First Church