The Middendorff's grasshopper warbler (''Helopsaltes ochotensis'') is a species of Old World warbler in the family

Locustellidae Locustellidae is a newly recognized family of small insectivorous songbirds ("warblers"), formerly placed in the Old World warbler " wastebin" family. It contains the grass warblers, grassbirds, and the '' Bradypterus'' " bush warblers". These bi ...

. It breeds in eastern

Siberia Siberia ( ; rus, Сибирь, r=Sibir', p=sʲɪˈbʲirʲ, a=Ru-Сибирь.ogg) is an extensive geographical region, constituting all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has been a part o ...

to northern Japan,

Kamchatka Peninsula The Kamchatka Peninsula (russian: полуостров Камчатка, Poluostrov Kamchatka, ) is a peninsula in the Russian Far East, with an area of about . The Pacific Ocean and the Sea of Okhotsk make up the peninsula's eastern and we ...

and northern

Kuril Islands The Kuril Islands or Kurile Islands (; rus, Кури́льские острова́, r=Kuril'skiye ostrova, p=kʊˈrʲilʲskʲɪjə ɐstrɐˈva; Japanese: or ) are a volcanic archipelago currently administered as part of Sakhalin Oblast in the ...

. It winters in the

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

Borneo Borneo (; id, Kalimantan) is the List of islands by area, third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java Isl ...

and Sulawesi and in small numbers in China, Hong Kong, South Korea, Malaysia, Taiwan and the U.S.A. The common name commemorates Alexander Theodor von Middendorff (1815–1894), a German–Russian naturalist who traveled extensively in Siberia.

Description

Middendorff's grasshopper warbler is in length. The crown, nape, lores and eye-stripe are greyish brown. The mantle is browner and more olive. The supercilium is pale creamy, extending to the ear coverts. The rump and uppertail coverts are more yellowish or rufous brown. The graduated, white-tipped tail may appear rounded. Its song is a high-pitched, spaced ''chit, chit'', which precedes a trilled ', call; '',...''; it also performs a short song flight. Its habitat is forests near water and scrubwoods.

References

Helopsaltes Birds described in 1853 Taxa named by Alexander von Middendorff Taxonomy articles created by Polbot {{Locustellidae-stub