The Ramsar-listed lakes, along with other nearby lakes have been identified by BirdLife International as a 384 sqkm Important Bird Area (IBA) because they support over 1% of the world populations of Australian shelducks, chestnut teals and banded stilts and irregularly support over 1% of the world populations of freckled ducks, musk ducks, blue-billed ducks, black swans, Australasian shovellers, pink-eared ducks, hoary-headed grebes, straw-necked ibises, sharp-tailed sandpipers and white-headed stilts.