Rock of Gibraltar to describe an entity that is very safe or firm. The motto of the Royal Gibraltar Regiment and Gibraltar itself is "Nulli Expugnabilis Hosti" (Latin for "No Enemy Shall Expel Us"). Approximately 40% of Gibraltar's land area was declared a nature reserve in 1993. The flora and fauna of the Gibraltar Nature Reserve are of conservation interest and are protected by law. Within it is a range of animals and plants, but the highlights are the Barbary macaques (the famous "Rock apes"), the Barbary partridges, and flowers such as Gibraltar's own Chickweed, Thyme and the Gibraltar Candytuft. The Barbary macaques
Footpaths of Gibraltar is that of a number of feral goats which have caused serious damage to the vegetation, although eradication efforts are being pursued. Footpaths of Gibraltar The footpaths of Gibraltar provide access to key areas of the Upper Rock Nature Reserve, a refuge for hundreds of species of flora and fauna which in some cases are found nowhere else in Europe. The reserve occupies the upper part of the Rock of Gibraltar, a long and narrow mountain that rises to a maximum height of above sea level, and constitutes around 40 per cent of Gibraltar's total land area. The unusual geology