Marsh Grassbird

When to see the Marsh Grassbird

One bar for each month. Filled bars are the 9 months with records; pale bars are months with none. The wide bar is April, the month with the most records.

Where to see the Marsh Grassbird

The map shades 4 countries with regular records. Everything unshaded has no records. Countries are listed below the map.

About the Marsh Grassbird

The marsh grassbird, also known as the Japanese swamp warbler, is a species of Old World warbler in the family Locustellidae. It is found in China, Japan, South Korea, Mongolia, and Russia.

Text adapted from Wikipedia, licensed CC BY-SA 4.0.

Easily confused with

Gray's Grasshopper WarblerHelopsaltes fasciolatusThe adult has an unstreaked olive-brown back, uniformly grey breast and buff underparts, with unmottled dull orange undertail coverts. Sakhalin Grasshopper WarblerHelopsaltes amnicolaThe adult has an unstreaked olive-brown back, uniformly grey breast and buff underparts, with unmottled dull orange undertail coverts. Styan's Grasshopper WarblerHelopsaltes pleskeiStyan's grasshopper warbler, also known as Pleske's grasshopper warbler and Taczanowski's warbler, is a species of Old World warbler in the family Locustellidae.