Firth of Thames. 29/01/90; North Island; ~7,800 ha; 37°13'S 175°23'E. Coastal Reserve; Shorebird Network Site. A large coastal reserve bounded by peninsula and mountains. Consisting of shallow marine water, mud and grass flats, mangrove swamp, saltmarsh, and swampland. Includes a globally rare land formation of graded shell beach ridges which support grazing. Important site for roosting, wintering and staging wading birds. Ramsar site no. 459. Most recent RIS information: 1990.

North Island