The hypersalinity of the Laguna de Oviedo fluctuates depending on evaporation and water supplied by rain and the flow coming from the neighboring mountain range of Bahoruco. The natives of the region estimate that, as a rule, it has three times the level of sea salt. There, we discover prolific colonies of flamingos and iguanas, among many other species that make up one of the most exuberant ecosystems on the island of Hispaniola.