Bhutan (B), China (mainland) (B), Estonia (B), Finland (B), Hong Kong (China), India (B), Japan (B), Kazakhstan (B), Laos, Mongolia (B), Myanmar, Nepal (B), North Korea (B), Pakistan (B), Russia (Asian) (B), Russia (Central Asian) (B), Russia (European) (B), South Korea, Taiwan (China), Thailand (B), USA, Vietnam.
Vagrant to Bulgaria, Denmark, France, Germany, Israel, Lebanon, Malaysia, Slovenia, Sweden, United Kingdom.
Unknown to Afghanistan.
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).
Red-flanked Bluetail (Tarsiger cyanurus) [XC566659]
by Lars Edenius from Varmvattnet, Ume\u00e5 Municipality, V\u00e4sterbottens l\u00e4n, Sweden (song)
Red-flanked Bluetail (Tarsiger cyanurus) [XC659568]
by Sunny Tseng from Dongyin Nursery, Taiwan (call)
Subspecies
Subspecies rufilatus rather distinctive in both plumage and voice, possibly better treated as a separate species. Proposed subspecies pallidior (north-western Himalayas) synonymized with rufilatus.
The following 2 subspecies are recognised:
cyanurus (Pallas, 1773) - Finland and north-western Russia, and from Ural Mts east to Kamchatka, south to northern Mongolia, Japan and north-eastern China. Non-breeding southern and south-eastern Asia.
rufilatus (Hodgson, 1845) - North-western, central and eastern Himalayas east to central and southern China, probably also northern Myanmar. Non-breeding also Indochina.
BirdLife International Species Factsheet