The term 'Australian Waterbird' encompasses a variety of species, including the GREBE (5 letters), Pelican (7 letters), IBIS (4 letters), SWAN (4 letters), GOOSE (5 letters), COOT (4 letters), EGRET (5 letters), HERON (5 letters), and Shoveller (9 letters). Grebes are small to medium-sized aquatic birds that are found in freshwater and marine habitats. Pelicans are large waterbirds with long bills and pouches used for catching fish. Ibises are wading birds with long, curved bills and long legs. Swans are large waterbirds with long necks and webbed feet. Geese are large waterbirds with short necks and webbed feet. Coots are small to medium-sized aquatic birds with lobed toes. Egrets are long-legged wading birds with long, thin necks and long, pointed bills. Herons are long-legged wading birds with long, sharp bills. Shovellers are dabbling ducks with wide, flat bills. All of these birds are native to Australia and can be found in various aquatic habitats.