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
Death on the Rock aware of Savage's arrival at the Gibraltar border, and allowed the white Renault he was driving to enter the territory. As well as the investigation in Gibraltar and Spain, "This Week" conducted some of the filming for "Death on the Rock" in Northern Ireland. Its journalists filmed the funeral of McCann, Savage, and Farrell; while there, Manyon took the opportunity to interview Gerry Adams, leader of Sinn Féin, who refused to confirm that the three were planning a bomb attack on Gibraltar. The team decided against using Adams' interview, and only 45 seconds of the footage was used in the