The waders of the heron family are similar in shape to the shorebirds, but a size larger. They feed on fish, insects and amphibians, and as well as being active at the water's edge, they also frequent dryer areas such as thick grassland and salt-making ponds.
外型和鷸科相近、但大一號的「鷺科」，以魚、昆蟲、兩生類為食，除了水陸交界地外，還活動在草叢、鹽田等較乾燥的區域。