The wetlands include Dingtoue Sandbank and Gangzailiao Sandbank and cover an area of 2,997 hectares. The Cigu Lagoon salt fields and salt fields on its east side cover 1,976 hectares making them the largest area of salt fields in Taiwan. They are the home of the black-face spoonbill, marsh harrier, oriental pratincole,brown shrike,Kentish plover,, black-winged stilt and other birds.