There are pictographs and petroglyphs in some caverns. About half these species are aquatic. Worthy of attention among these are the largest populations of flamingos found in the country, especially at Laguna de Oviedo. The most commun birds found here include the gray heron, the blue heron, the paloma coronita , and seagulls. The mammals include the solenodonte and the jut a , plus 11 species of bats.
Iguanas are among the most attractive reptiles.
Tortoises and other sea turtles come to the beaches to lay their eggs. Prevalent here is the dry forest, with a high population of cactuses and a slow growing vegetation that has adapted itself to a heavy sunshine and a reduced number of rain precipitations. The most commun vegetation here includes guaiacum, mahogany, oak, and other tropical American trees. Pictographs, petroglyphs, and pre-Columbian vases are preserved in a large number of caverns found here. The Isla Cabritos National Park, is the largest of three islands found in the center of Lake Enriquillo, situated in the southeastern part of the country, between Sierra de Neyba and Sierra de Bahoruco, and partially skirted by the international highway that links the Dominican Republic to Haiti.