Whistling Tree Duck.
Shrill high pitched whistle on ground and in flight.
Feed entirely on aquatic plants and their flowers and seeds.
Topical freshwater wetlands from the Kimberleys of WA to Mary River Qld.
Seldom leave the water which they prefer deep. Can dive and swim underwater with ease and sometimes eat vegetation from bottom. Roost in camps on edge.
Mate for life and share nesting duties and care of hatchlings. Occurs during and after the wet season-Jan to July. Nest a scrape with thin layer of grass usually sheltered by tall grass some distance from the water.7-8 eggs incubated by both in 28-30days. Ducklings from more than one nest may form rafts on the water.