It includes extensive areas of the Paroo-Darling and Currawinya National Parks, both of which are listed under the Ramsar Convention as wetland sites of international importance, as well as of the Nocoleche Nature Reserve.
The shores and channels support samphire, lignum, canegrass and other grasses, with black-box and other riparian woodland communities which flood seasonally.
[3] The site has been identified by BirdLife International as an Important Bird Area (IBA) because, when conditions are suitable, it supports up to 400,000 waterbirds with over 1% of the world populations of black swans, freckled and pink-eared ducks, grey teals, Australasian shovelers, hardheads, red-necked avocets, white-headed and banded stilts, sharp-tailed sandpipers and red-capped plovers.
[4] It supports regionally significant numbers of Australian pelicans, Eurasian coots and whiskered terns.
[3] It also holds populations of inland dotterels, Caspian terns, Bourke's parrots, grey-headed, black and pied honeyeaters, slaty-backed thornbills, Hall's babblers, chirruping wedgebills and chestnut-breasted quail-thrushes.