Queen of Sierra Leone Leone and of Her other Realms and Territories, Head of the Commonwealth". The monarchy was abolished in 1971, when Sierra Leone became a republic within the Commonwealth with the President of Sierra Leone as head of state. The Queen and her husband, Prince Philip, Duke of Edinburgh, visited Sierra Leone on the royal yacht "Britannia" from 25 November to 1 December 1961. Queen Elizabeth II Quay in Freetown is named after her. Queen of Sierra Leone Elizabeth II was Queen of Sierra Leone from 1961 to 1971, when Sierra Leone was an independent constitutional monarchy. The Queen was also monarch
Wildlife of Sierra Leone Wildlife of Sierra Leone The wildlife of Sierra Leone is very diverse due to the variety of different habitats within the country. Sierra Leone is home to approximately 2090 known higher plant species, 147 known species of mammals, 172 known breeding bird species, 67 known reptile species, 35 known amphibian species and 99 known species of fish. There are approximately 147 known species of wild mammals within Sierra Leone. Members of fourteen orders of placental mammals inhabit Sierra Leone. The endangered pygmy hippopotamus has territories around the islands on the Moa River and is widespread in the Gola Forest area.