Corps of Engineers (USACE), Huntsville in order to identify “cultural resources, sensitive habitats, and endangered plants and animals that may exist” on Isla Culebrita. During the survey, a total of 97 plant species were recorded, none of which are state or federally threatened or endangered species. In addition, 32 birds, 4 reptiles, and 2 mammals were recorded. Of these animals, one federally endangered species, the brown pelican (Pelecanus occidentalis) and one threatened species, the white-cheeked pintail (Anas bahamensis) were observed. Endangered green sea turtles (Chelonia mydas) were also observed on the island. The endangered Culebra skink makes its home in Culebrita. Gallery References Culebra, Puerto Rico Uninhabited islands of Puerto Rico