The largest heron with a massive, heavy bill. Chestnut head. It has blackish legs.
Slow-flowing rivers, lakes and swamps, also estuaries, mangroves and mudflats
It is a nomad to lakes, dams, large rivers and estuaries where there are extensive reed beds.
Mainly fish but also frogs, reptiles and small mammals.
Breeds singly or in small colonies in trees or reeds.