Guiana Shield is equally rich and 13,367 species of vascular plants have been found, approximately 40% of which is considered endemic. The shield is overlain by the largest expanse of tropical forest on any Precambrian shield area in the world. Guianan rain forest is similar in nature to Amazonian rain forest and known protected areas include the Iwokrama Forest of central Guyana, Kaieteur, Kanuku National Park of southern Guyana, the UNESCO World Heritage Site Central Suriname Nature Reserve of Suriname, the Guiana Amazonian Park in French Guiana and the Tumucumaque National Park in the Amapá State of Brazil. In Venezuela the forests
French Guiana French overseas departments. It is largely responsible for the rapid population growth of French Guiana. The official language of French Guiana is French, and it is the predominant language of the department, spoken by most residents as a first or second language. In addition, a number of other local languages exist. Regional languages include Guianan Creole, six Amerindian languages (Arawak, Palijur, Kali'na, Wayana, Wayampi, Emerillon), four Maroon creole languages (Saramaka, Paramaccan, Aluku, Ndyuka), as well as Hmong Njua. Other languages spoken include Portuguese, Hakka, Haitian Creole, Spanish, Dutch, English, and Tamil, and Caribbean Hindustani. French Guiana, as part of France,