Breeding season: October to March. Clutch size is two to four. Forms monogamous pairs for the duration of the breeding season. Nests in colonies alongside many other waterbirds, including Yellow-billed Spoonbills, ibises, herons and cormorants. Nest is a solid bowl-shape bulit with sticks and twigs lined with leaves and water plants, usually placed in the crown of a tree over water or among high reeds and rushes. Nest sites may be reused year after year. Both sexes incubate the eggs and feed the young.