Ranges across eastern, northern and south-western mainland Australia.
Inhabits freshwater wetlands, swamps and grasslands. It also frequents mangrove areas and mudflats in estuarine areas. White Ibis prey upon aquatic invertebrates, insects, molluscs such as mussels, fish and snakes in its natural habitat. It frequently scavenges in land-fill sites and human recreation areas.
The species obtains its food by digging with its long bill. Mussels are opened by hammering them on a hard surface to reveal the soft body inside.
Atlas of Living Australia at Threskiornis moluccus Accessed 29 July 2020.
Birdlife Australia at http://birdlife.org.au/bird-profile/australian-white-ibis Accessed 27 July 2020.