Lake Rosa is a permanent shallow brackish lake, up to 1.5m deep with small islands scattered through out and a fringe of brackish marshes, there are dense mangrove swamps on the northern and eastern borders and the lake is surrounded by a broad belt of open scrub with seasonal marshes. This is a RAMSAR site.
This IBA has the largest known concentration of Greater Flamingo in The Bahamas estimated to be in excess of 50,000 birds. Also, home to a race of the Bahama Parrot. There is also a wide variety and large numbers of shorebirds, herons, egrets and waterfowl. Many species of land birds, resident and migratory have been recorded in and around the Inagua National Park.
Non-bird biodiversity: The endemic Inagua Freshwater Turtle - (Chrysemys malonei)
BirdLife International (2019) Important Bird Areas factsheet: Great Inagua. Downloaded from http://www.birdlife.org on 11/12/2019.