
Photo: James Eaton · CC0
Helopsaltes pryeri
China Red List: Near Threatened (NT)
Habitat
Swamps
Range
China, Japan, South Korea, Mongolia and Russia
The marsh grassbird, also known as the Japanese swamp warbler, is an Old World warbler of the family Locustellidae found in China, Japan, South Korea, Mongolia and Russia. Its natural habitat is swamps, and it is described as threatened by habitat loss (Wikipedia, general species account).