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
Timeline of the history of Gibraltar Museum said "this natural richness of wildlife and plants in the nearby sandy plains, woodlands, shrublands, wetlands, cliffs and coastline probably helped the Neanderthals to persist." Evidence at the cave shows the Neanderthals of Gibraltar likely used it as a shelter "for 100,000 years." Cro-Magnon man took over Gibraltar around 24,000 BCE. The Phoenicians are known to have visited the Rock circa 950 BC and named the Rock ""Calpe"". The Carthaginians also visited. However, neither group appears to have settled permanently. Plato refers to Gibraltar as one of the Pillars of Hercules along with Jebel Musa or Monte Hacho on