Gray's grasshopper warbler
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Gray's grasshopper warbler (Helopsaltes fasciolatus), also known as Gray's warbler, is a species of bird in the family Locustellidae; it was formerly included in the "Old World warbler" assemblage.
The Sakhalin grasshopper warbler was formerly considered conspecific.
Distribution and habitat
This small passerine bird breeds in southern Siberia, northeastern China and Korea. It is migratory, wintering in southeast Asia. It is a species found in lowland and coastal regions, nesting in forests or thickets.
Description
The adult has an unstreaked olive-brown back, uniformly grey breast and buff underparts, with unmottled dull orange undertail coverts.
The song is a short phrase, loud and distinctive; nothing like the insect-like reeling of European Locustella species, and more musical than that of Pallas's grasshopper warbler.