Ciénaga de Lanier y Sur de la Isla de la Juventud IBA is in the southern part of Isla de la Juventud, in the Canarreos Archipelago, off the south coast of western Cuba. It includes the Ciénaga de Lanier, which stretches from Ensenada de Siguanea to the eastern Ensenada of San Juan, and divides the north of the island from the karstic plains and coastal zones to the south. The IBA supports a wide diversity of wetland and coastal habitats. Cocodrilo and Cayo Piedras with 300 and 20 inhabitants, respectively, are located within the IBA, whereas the communities of Santa Fé, Mella, and La Reforma are in surrounding areas.
This IBA is notable for its resident and migratory waterbirds, including globally significant populations of the Vulnerable West Indian Whistling-duck Dendrocygna arborea and the resident subspecies of Sandhill Crane Grus canadensis nesiotes. Terrestrial species include the Endangered Giant Kingbird Tyrannus cubensis and a huge population of Near Threatened White-crowned Pigeon Patagioenas leucocephala .
Non-bird biodiversity: Reptiles include the Endangered Cuban crocodile Crocodylus rhombifer, and the Vulnerable American crocodile C. acutus and Cuban ground iguana Cyclura nubila. The hutia Mysateles meridionalis is endemic to Isla de la Juventud, and the fish Atractosteus tristoechus is restricted to Zapata and Lanier swamps.
BirdLife International (2019) Important Bird Areas factsheet: Cienaga de Lanier y Sur de la Isla de la Juventud. Downloaded from http://www.birdlife.org on 20/02/2019.