This is the world's largest heron.The standing height averages over 1.4 m (4.5 ft), with a wingspan of at least 7 ft (2 m) and a weight of about 4 kg (9 lb). Male and female look similar.Goliath Herons feed on fish, amphibians and little rodents.This heron hunts by standing in the shallows, or on floating vegetation, intently watching the water at its feet. As prey appears, the heron rapidly spears it with open upper and lower beak.