JP002Lake Koetoi-Onuma

Site Description

Wetlands

Lake Koetoi-Onuma is located in the east of Wakkanai City, has a perimeter of 12 km around, and a maximum depth of 2.2 m. In 1958, the lake was connected with the sea by a flood prevention project that straightened the Koetoigawa river. There is abundant wildlife in the fresh water lake and the brackish water. Many birds breed here, and Tundra Swans and ducks stop over in spring and autumn migrating seasons.

Area & Coordinates

830ha 45°22′N 141°45′E
region: Hokkaido

Designation Type

Wildlife Protection Area (Local)

Protection Status

Unprotected

Conservation issues

Recreation/tourism

Birds

Breeding resident

Dendrocopos major, Sitta europaea, Parus palustris, Corvus corone

Breeding visitor

Luscinia calliope, Saxicola torquata, Acrocephalus bistrigiceps, Emberiza schoeniclus, Locustella fasciolata, Phylloscopus coronatus

Winter visitor

Haliaeetus pelagicus, Haliaeetus albicilla

Passage visitor

Cygnus columbianus, Anas platyrhynchos, Anas acuta, Bucephala clangula