China (mainland), Hong Kong (China), India, Laos, North Korea (B), Philippines, Russia (Asian), South Korea (B), Thailand, Vietnam.
Breeds central and eastern China (southern Gansu and Sichuan east to Jiangsu and western Zhejiang). Non-breeding southern and south-eastern China, Taiwan, north-western Thailand, northern and central Indochina and northern Philippines.
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.
Population
Estimated population is unknown (2010).
Manchurian Bush Warbler (Horornis canturians) [XC747557]
by Geoff Carey from Pak Sha O, Sai Kung District, New Territories, Hong Kong, China (song)
Manchurian Bush Warbler (Horornis canturians) [XC307897]
by Qin Huang from Zhoushan Shi, Zhejiang Sheng, China (subsong)
Subspecies
Considered by some authors to be a subspecies of Japanese Bush-Warbler (Horornis diphone).
The following 2 subspecies are recognised:
canturians (Swinhoe, 1860) - Central, eastern China, south-eastern Siberia and Korea. Considered by some authors to be a subspecies of Japanese Bush-Warbler (Horornis diphone).
borealis (Campbell, CW, 1892) - Breeds north-eastern China, adjacent south-eastern Russia (southern Ussuriland) and Korea. Non-breeding eastern China (Fujian), Taiwan and northern Philippines (Batan Is, Luzon). Considered by some authors to be a distinct species, Manchurian Bush-Warbler (Horornis borealis). Considered by some authors to be a subspecies of Japanese Bush-Warbler (Horornis diphone).
BirdLife International Species Factsheet